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Catálogo Taxonômico da Fauna do Brasil: Setting the baseline knowledge on the animal diversity in Brazil Brasil
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Boeger, Walter A.
; Valim, Michel P.
; Zaher, Hussam
; Rafael, José A.
; Forzza, Rafaela C.
; Percequillo, Alexandre R.
; Serejo, Cristiana S.
; Garraffoni, André R.S.
; Santos, Adalberto J.
; Slipinski, Adam
; Linzmeier, Adelita M.
; Calor, Adolfo R.
; Garda, Adrian A.
; Kury, Adriano B.
; Fernandes, Agatha C.S.
; Agudo-Padrón, Aisur I.
; Akama, Alberto
; Silva Neto, Alberto M. da
; Burbano, Alejandro L.
; Menezes, Aleksandra
; Pereira-Colavite, Alessandre
; Anichtchenko, Alexander
; Lees, Alexander C.
; Bezerra, Alexandra M.R.
; Domahovski, Alexandre C.
; Pimenta, Alexandre D.
; Aleixo, Alexandre L.P.
; Marceniuk, Alexandre P.
; Paula, Alexandre S. de
; Somavilla, Alexandre
; Specht, Alexandre
; Camargo, Alexssandro
; Newton, Alfred F.
; Silva, Aline A.S. da
; Santos, Aline B. dos
; Tassi, Aline D.
; Aragão, Allan C.
; Santos, Allan P.M.
; Migotto, Alvaro E.
; Mendes, Amanda C.
; Cunha, Amanda
; Chagas Júnior, Amazonas
; Sousa, Ana A.T. de
; Pavan, Ana C.
; Almeida, Ana C.S.
; Peronti, Ana L.B.G.
; Henriques-Oliveira, Ana L.
; Prudente, Ana L.
; Tourinho, Ana L.
; Pes, Ana M.O.
; Carmignotto, Ana P.
; Wengrat, Ana P.G. da Silva
; Dornellas, Ana P.S.
; Molin, Anamaria Dal
; Puker, Anderson
; Morandini, André C.
; Ferreira, André da S.
; Martins, André L.
; Esteves, André M.
; Fernandes, André S.
; Roza, André S.
; Köhler, Andreas
; Paladini, Andressa
; Andrade, Andrey J. de
; Pinto, Ângelo P.
; Salles, Anna C. de A.
; Gondim, Anne I.
; Amaral, Antonia C.Z.
; Rondón, Antonio A.A.
; Brescovit, Antonio
; Lofego, Antônio C.
; Marques, Antonio C.
; Macedo, Antonio
; Andriolo, Artur
; Henriques, Augusto L.
; Ferreira Júnior, Augusto L.
; Lima, Aurino F. de
; Barros, Ávyla R. de A.
; Brito, Ayrton do R.
; Romera, Bárbara L.V.
; Vasconcelos, Beatriz M.C. de
; Frable, Benjamin W.
; Santos, Bernardo F.
; Ferraz, Bernardo R.
; Rosa, Brunno B.
; Sampaio, Brunno H.L.
; Bellini, Bruno C.
; Clarkson, Bruno
; Oliveira, Bruno G. de
; Corrêa, Caio C.D.
; Martins, Caleb C.
; Castro-Guedes, Camila F. de
; Souto, Camilla
; Bicho, Carla de L.
; Cunha, Carlo M.
; Barboza, Carlos A. de M.
; Lucena, Carlos A.S. de
; Barreto, Carlos
; Santana, Carlos D.C.M. de
; Agne, Carlos E.Q.
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; Mascarenhas, Carolina S.
; Margaría, Cecilia B.
; Waichert, Cecilia
; Digiani, Celina
; Haddad, Célio F.B.
; Azevedo, Celso O.
; Benetti, Cesar J.
; Santos, Charles M.D. dos
; Bartlett, Charles R.
; Bonvicino, Cibele
; Ribeiro-Costa, Cibele S.
; Santos, Cinthya S.G.
; Justino, Cíntia E.L.
; Canedo, Clarissa
; Bonecker, Claudia C.
; Santos, Cláudia P.
; Carvalho, Claudio J.B. de
; Gonçalves, Clayton C.
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; Schwertner, Cristiano F.
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; Manfio, Daiara
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; Queiroz, Dalva L. de
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; Abbate, Daniel
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; Schunck, Fabio
; Godoi, Fábio S. P. de
; Machado, Fabrizio M.
; Barbo, Fausto E.
; Agrain, Federico A.
; Ribeiro, Felipe B.
; Moreira, Felipe F.F.
; Barbosa, Felipe F.
; Silva, Fenanda S.
; Cavalcanti, Fernanda F.
; Straube, Fernando C.
; Carbayo, Fernando
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; Mantellato, Fernando
; Vaz-de-Mello, Fernando Z.
; Gudin, Filipe M.
; Albuquerque, Flávio
; Molina, Flavio B.
; Passos, Flávio D.
; Shockley, Floyd W.
; Pinheiro, Francielly F.
; Mello, Francisco de A.G. de
; Nascimento, Francisco E. de L.
; Franco, Francisco L.
; Oliveira, Francisco L. de
; Melo, Francisco T. de V.
; Quijano, Freddy R.B.
; Salles, Frederico F.
; Biffi, Gabriel
; Queiroz, Gabriel C.
; Bizarro, Gabriel L.
; Hrycyna, Gabriela
; Leviski, Gabriela
; Powell, Gareth S.
; Santos, Geane B. dos
; Morse, Geoffrey E.
; Brown, George
; Mattox, George M.T.
; Zimbrão, Geraldo
; Carvalho, Gervásio S.
; Miranda, Gil F.G.
; Moraes, Gilberto J. de
; Lourido, Gilcélia M.
; Neves, Gilmar P.
; Moreira, Gilson R.P.
; Montingelli, Giovanna G.
; Maurício, Giovanni N.
; Marconato, Gláucia
; Lopez, Guilherme E.L.
; Silva, Guilherme L. da
; Muricy, Guilherme
; Brito, Guilherme R.R.
; Garbino, Guilherme S.T.
; Flores, Gustavo E.
; Graciolli, Gustavo
; Libardi, Gustavo S.
; Proctor, Heather C.
; Gil-Santana, Helcio R.
; Varella, Henrique R.
; Escalona, Hermes E.
; Schmitz, Hermes J.
; Rodrigues, Higor D.D.
; Galvão Filho, Hilton de C.
; Quintino, Hingrid Y.S.
; Pinto, Hudson A.
; Rainho, Hugo L.
; Miyahira, Igor C.
; Gonçalves, Igor de S.
; Martins, Inês X.
; Cardoso, Irene A.
; Oliveira, Ismael B. de
; Franz, Ismael
; Fernandes, Itanna O.
; Golfetti, Ivan F.
; S. Campos-Filho, Ivanklin
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; Delabie, Jacques H.C.
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; Silva, Janaina M.
; Santos, Jandir C.
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; Valderrama, Jefferson S.
; Dalapicolla, Jeronymo
; Oliveira, Jéssica P.
; Hájek, Jiri
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; Grazia, Jocélia
; McHugh, Joe
; Cherem, Jorge J.
; Farias Júnior, José A.S.
; Fernandes, Jose A.M.
; Pacheco, José F.
; Birindelli, José L.O.
; Rezende, José M.
; Avendaño, Jose M.
; Duarte, José M. Barbanti
; Ribeiro, José R. Inácio
; Mermudes, José R.M.
; Pujol-Luz, José R.
; Santos, Josenilson R. dos
; Câmara, Josenir T.
; Teixeira, Joyce A.
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; Almeida, Julia C.
; Kohler, Julia
; Gonçalves, Julia P.
; Beneti, Julia S.
; Donahue, Julian P.
; Alvim, Juliana
; Almeida, Juliana C.
; Segadilha, Juliana L.
; Wingert, Juliana M.
; Barbosa, Julianna F.
; Ferrer, Juliano
; Santos, Juliano F. dos
; Kuabara, Kamila M.D.
; Nascimento, Karine B.
; Schoeninger, Karine
; Campião, Karla M.
; Soares, Karla
; Zilch, Kássia
; Barão, Kim R.
; Teixeira, Larissa
; Sousa, Laura D. do N.M. de
; Dumas, Leandro L.
; Vieira, Leandro M.
; Azevedo, Leonardo H.G.
; Carvalho, Leonardo S.
; Souza, Leonardo S. de
; Rocha, Leonardo S.G.
; Bernardi, Leopoldo F.O.
; Vieira, Letícia M.
; Johann, Liana
; Salvatierra, Lidianne
; Oliveira, Livia de M.
; Loureiro, Lourdes M.A. El-moor
; Barreto, Luana B.
; Barros, Luana M.
; Lecci, Lucas
; Camargos, Lucas M. de
; Lima, Lucas R.C.
; Almeida, Lucia M.
; Martins, Luciana R.
; Marinoni, Luciane
; Moura, Luciano de A.
; Lima, Luciano
; Naka, Luciano N.
; Miranda, Lucília S.
; Salik, Lucy M.
; Bezerra, Luis E.A.
; Silveira, Luis F.
; Campos, Luiz A.
; Castro, Luiz A.S. de
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; Silveira, Luiz F.L.
; Iniesta, Luiz F.M.
; Tencatt, Luiz F.C.
; Simone, Luiz R.L.
; Malabarba, Luiz R.
; Cruz, Luiza S. da
; Sekerka, Lukas
; Barros, Lurdiana D.
; Santos, Luziany Q.
; Skoracki, Maciej
; Correia, Maira A.
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; Andrade, Manuella F.G.
; Hermes, Marcel G.
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; Posso, Sergio R.
; Lima, Sheila P.
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; Thiengo, Silvana C.
; Cohen, Simone C.
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; Rosa, Simone P.
; Ribeiro, Síria L.B.
; Letana, Sócrates D.
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; Ruschel, Tatiana P.
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; Zacca, Thamara
; Pacheco, Thaynara L.
; Martins, Thiago F.
; Alvarenga, Thiago M.
; Carvalho, Thiago R. de
; Polizei, Thiago T.S.
; McElrath, Thomas C.
; Henry, Thomas
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; Amaral, Vanessa S. do
; Silva, Vera C.
; Wolff, Vera R. dos S.
; Slobodian, Verônica
; Silva, Vinícius B. da
; Espíndola, Vinicius C.
; Costa-Silva, Vinicius da
; Bertaco, Vinicius de A.
; Padula, Vinícius
; Ferreira, Vinicius S.
; Silva, Vitor C.P. da
; Piacentini, Vítor de Q.
; Sandoval-Gómez, Vivian E.
; Trevine, Vivian
; Sousa, Viviane R.
; Sant’Anna, Vivianne B. de
; Mathis, Wayne N.
; Souza, Wesley de O.
; Colombo, Wesley D.
; Tomaszewska, Wioletta
; Wosiacki, Wolmar B.
; Ovando, Ximena M.C.
; Leite, Yuri L.R.
.
ABSTRACT The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian megadiverse fauna is no exception, and the Catálogo Taxonômico da Fauna do Brasil (CTFB) (http://fauna.jbrj.gov.br/), made public in 2015, represents a database on biodiversity anchored on a list of valid and expertly recognized scientific names of animals in Brazil. The CTFB is updated in near real time by a team of more than 800 specialists. By January 1, 2024, the CTFB compiled 133,691 nominal species, with 125,138 that were considered valid. Most of the valid species were arthropods (82.3%, with more than 102,000 species) and chordates (7.69%, with over 11,000 species). These taxa were followed by a cluster composed of Mollusca (3,567 species), Platyhelminthes (2,292 species), Annelida (1,833 species), and Nematoda (1,447 species). All remaining groups had less than 1,000 species reported in Brazil, with Cnidaria (831 species), Porifera (628 species), Rotifera (606 species), and Bryozoa (520 species) representing those with more than 500 species. Analysis of the CTFB database can facilitate and direct efforts towards the discovery of new species in Brazil, but it is also fundamental in providing the best available list of valid nominal species to users, including those in science, health, conservation efforts, and any initiative involving animals. The importance of the CTFB is evidenced by the elevated number of citations in the scientific literature in diverse areas of biology, law, anthropology, education, forensic science, and veterinary science, among others. publications problem uptodate up date classifications context exception (CTFB http//fauna.jbrj.gov.br/, httpfaunajbrjgovbr http //fauna.jbrj.gov.br/ , jbrj gov br (http://fauna.jbrj.gov.br/) 2015 Brazil 80 specialists 1 2024 133691 133 691 133,69 125138 125 138 125,13 82.3%, 823 82 3 (82.3% 102000 102 000 102,00 7.69%, 769 7 69 (7.69% 11000 11 11,00 . 3,567 3567 567 (3,56 2,292 2292 2 292 (2,29 1,833 1833 833 (1,83 1,447 1447 447 (1,44 1000 1,00 831 (83 628 (62 606 (60 520 (52 50 users science health biology law anthropology education others http//fauna.jbrj.gov.br/ faunajbrjgovbr //fauna.jbrj.gov.br (http://fauna.jbrj.gov.br/ 201 8 202 13369 13 133,6 12513 12 125,1 82.3% (82.3 10200 10 00 102,0 7.69% 76 6 (7.69 1100 11,0 3,56 356 56 (3,5 2,29 229 29 (2,2 1,83 183 83 (1,8 1,44 144 44 (1,4 100 1,0 (8 62 (6 60 52 (5 5 http//fauna.jbrj.gov.br (http://fauna.jbrj.gov.br 20 1336 133, 1251 125, 82.3 (82. 1020 0 102, 7.69 (7.6 110 11, 3,5 35 (3, 2,2 22 (2, 1,8 18 (1, 1,4 14 4 ( 82. (82 7.6 (7. 3, (3 2, (2 (1 7. (7
2.
Modelagem volumétrica da necromassa lenhosa em floresta manejada e não manejada na Amazônia Central
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Freitas, Filipe Campos de
; Dantas, Daniel
; Azevedo, Celso Paulo de
; Souza, Cintia Rodrigues de
; Calegario, Natalino
.
Resumo A necromassa lenhosa representa cerca de 20% do carbono disponível na biomassa acima do solo em florestas amazônicas, entretanto a sua quantificação não é uma atividade comum em estudos florestais. O objetivo deste trabalho foi realizar a modelagem volumétrica da necromassa, a fim de proporcionar uma ferramenta para quantificação desse componente da vegetação. A coleta de dados foi realizada em 15 parcelas permanentes alocadas em floresta sob manejo florestal sustentável e outras 5 em floresta não manejada localizadas no estado do Amazonas, Brasil. Foi realizada a cubagem de troncos e pedaços de troncos de árvores mortas - com diâmetro a partir de 10 cm - caídos dentro dos limites da parcela. A modelagem foi realizada por meio de regressão não linear (modelo de Schumacher-Hall), Redes Neurais Artificiais (RNA) e Máquina de Vetor de Suporte (MSV). Nessa modelagem, os dados foram divididos em 80% para ajuste/treinamento e 20% para teste. Considerou-se como critérios de precisão da modelagem: correlação entre valores estimados e observados, raiz do erro quadrático médio e distribuição gráfica dos resíduos. Foram cubados um total de 1049 troncos ou pedaços de troncos caídos, sendo 848 na área de floresta manejada e 201 na floresta não manejada. Os três métodos testados apresentaram correlação próxima a 1, entre volume observado e estimado. Os menores RMSE% foram de 33,21% na floresta manejada (RNA) para a base de ajuste e 22,38% na floresta não manejada (Schumacher-Hall) para os dados de teste. As RNA apresentaram melhor desempenho durante a etapa de treinamento, todavia não houve boa extrapolação dos seus resultados para a base de teste. O modelo de Schumacher-Hall apresentou o melhor desempenho para as estimativas de volume com os dados da base de teste. A modelagem do volume individual de troncos mortos caídos apresentou dificuldade para minimização dos erros de estimativa devido às características dos dados.
Abstract Woody necromass represents about 20% of the carbon available in above-ground biomass in Amazonian forests, however its quantification is not a common activity in forestry studies. The aim of this paper was to modeling necromass volume in order to provide a tool for quantifying this component of vegetation in Amazonian forests. Data collect was carried out in 15 permanent plots allocated in a logged forest and 5 plots in an unlogged forest, both at Amazonas state, Brazil. The volume determination was done for fallen logs and piece of fallen logs from dead tree identified within the boundaries of the plot with a minimum diameter of 10 cm. The modeling was done by non-linear regression (Schumacher-Hall model), training of Artificial Neural Networks (ANN) and Support Vector Machine (SVM) in which the data were divided into 80% for fitting/training and 20% for testing. The modeling accuracy was assessed by these following indicators: correlation between estimated and observed volume, root of the mean square error in percentage and residual plot. A total of 1049 logs or pieces of fallen logs from dead trees were measured, 848 in the logged forest area and 201 in the unlogged forest. The three tested methods obtained a correlation between observed and estimated volume close to 1. The lowest RMSE% were 33,21% for logged forest (ANN) for training database and 22,38% for unlgged forest (Schumacher-Hall) for testing database. The ANNs had better performance during the training stage, however there was no good extrapolation of their results to the testing database. The best volume estimates for testing database were obtained from Schumacher-Hall model. The modeling of the individual volume of fallen dead logs presented great difficulty in minimizing the estimation errors due to the data characteristics.
3.
Anatomic glossary of mesopleural structures in Bethylidae (Hymenoptera: Chrysidoidea)
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Abstract The mesopleuron of Bethylidae has many structures that are used in taxonomic and phylogenetic studies. The lack of understanding of these structures has generated independent terminologies and a series of confusing terms, hampering effective scientific communication. A morphological study and literature review were made in order to solve these problems. Our study resulted in an anatomic glossary with 49 terms that presented a large number of synonyms and polysemies. The glossary standardizes the terms used in the Bethylidae mesopleuron and in other Hymenoptera groups, which will facilitate hypotheses of primary homology in comparative biology.
https://doi.org/10.11606/1807-0205/2021.61.52
177 downloads
4.
Diversity and similarity of species of natural regeneration after logging in commercially managed forest in Central Amazon
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Vinhote, Eirie Gentil
; Freitas, Filipe Campos de
; Azevedo, Celso Paulo de
; Souza, Cintia Rodrigues de
.
Resumo O objetivo deste estudo foi avaliar os impactos de médio prazo do manejo florestal na regeneração natural em floresta na Amazônia Central. O estudo foi conduzido na área de manejo da empresa Mil Madeiras Preciosas (Amazonas, Brasil). Foram utilizados inventários contínuos realizados em 41 parcelas permanentes distribuídas em três Unidades de Produção Anual (UPA), denominadas UPAs B, C e D, exploradas em 1996, 1997 e 1998, respectivamente. Em todas as unidades foram realizados inventários antes da exploração e nos anos de 2001 e 2014; para a UPA B houve um inventário adicional no ano de 1998. O nível de inclusão neste estudo foram árvores com diâmetro à altura do peito entre 5 cm e 14,9 cm. A análise de diversidade de espécies foi realizada considerando os índices de Shannon (H’) e Pielou (J). A análise de similaridade considerou o índice de Jaccard e análises de agrupamentos. As análises foram feitas para todas as espécies agrupadas e para grupo comercial de espécies. Foram amostrados um total de 8.090 indivíduos distribuídos em 244 espécies e 48 famílias. O H’ variou de 3,77 a 4,08; o J variou de 0,74 a 0,84. Houve diferença significativa entre H’ para o conjunto de todas as espécies nas UPAs B e D, 18 e 16 anos após exploração, respectivamente. Houve diferença significativa entre H’ de espécies comerciais em duas unidades (C e D), 17 e 18 anos após a exploração. Os índices de Jaccard variaram de 66,7% a 100,0%. As maiores diferenças para composição de espécies foram observadas entre os inventários pré-exploração e a última medição. A regeneração natural da floresta sob manejo florestal sofreu alterações na diversidade e composição de espécies no período de 16, 17 e 18 anos após a exploração.
Abstract This study aimed to evaluate the medium-term impacts of forest management on natural regeneration in central Amazon forest. The study was conducted in the logged forest belonging to Mil MadeirasPreciosas (Amazonas, Brazil). It was used data from continuous inventories that were carried out in 41 permanent parcels distributed in three Annual Production Units (APU), named APU B, C and D, logged in 1996, 1997 and 1998, respectively. In all units, forest inventories were carried out before logging and in the years 2001 and 2014; for APU B there was an additional inventory in 1998. The sample included trees with diameter at breast height between 5 cm and 14.9 cm. The species diversity analysis was performed by Shannon (H') and Pielou (J) indexes and the similarity analysis by Jaccard index and cluster analysis. The analyzes were made for all grouped species and commercial species group. A total of 8,090 trees families were sampled, distributed in 244 species and 48 families. Shannon index ranged from 3.77 to 4.08; Pielou index ranged from 0.74 to 0.84. There was a significant difference between H' for all species in two APUs 16 and 18 years after logging. There was significant difference between H' for commercial species before and 16 and 18 years after logging. Jaccard indexes ranged from 66.7% to 100%. The largest differences for the species composition were observed between pre-exploration inventories and the last measurement. Diversity and composition of species in the natural regeneration in the logged forest changed in a period by 16, 17 and 18 years after logging.
https://doi.org/10.5902/1980509841881
125 downloads
5.
The use of Proteinase K to access genitalia morphology, vouchering and DNA extraction in minute wasps
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MARTINELLI, ARTURO B.
; WAICHERT, CECILIA
; BARBOSA, DIEGO N.
; FAGUNDES, VALÉRIA
; AZEVEDO, CELSO O.
.
ABSTRACT Genitalia are rich source of characters in insect taxonomy. Usually, they are examined after dissection and cleaning with potassium hydroxide (KOH), procedure that may damage both genital morphological structures and intracellular molecular contents. Enzymatic procedure with Proteinase K has been used to clean muscle off the genitalia while extract DNA, but its damage to the genital structures has not been evaluated. Herein, we qualitatively compare the use of KOH and Proteinase K to prepare genital structures in minute insects (Hymenoptera: Bethylidae). We show that Proteinase K is better to preserve the genital structure and provides quality DNA.
https://doi.org/10.1590/0001-3765201720160825
1231 downloads
6.
ECOLOGICAL AND FUNCTIONAL CLUSTERING OF FORESTAL SPECIES IN THE SOUTH WESTERN AMAZONIA
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RESUMO O objetivo deste estudo foi efetuar o agrupamento ecológico e funcional de espécies florestais na Amazonia Sul Ocidental. Desenvolvido a partir de dados de 95 parcelas permanentes de 1ha cada, todos os indivíduos com diâmetro a altura do peito (DAP) maior ou igual a 10 cm foram medidos. O agrupamento ocorreu em três estágios: (1) análise de cluster, utilizando as variáveis Incremento Periódico Anual em diâmetro - IPADAP, IPADAP em Alta, Média e Baixa competição e o percentil 95% da distribuição de frequência cumulativa dos diâmetros (P95), utilizando-se o método hierárquico Ward; (2) análise Discriminante, utilizando as variáveis P95 e o IPADAP, pelo o método de Fisher; (3) estágio subjetivo, utilizando-se características ecológicas das espécies. Os métodos Ward e Fisher usados no cluster e discriminante, respectivamente, demonstraram-se eficazes na criação e formação dos agrupamentos, resultando na formação de 10 grupos. As variáveis: IPADAP para o povoamento, IPADAP em baixa, média e alta competição e P95 foram eficientes na discriminação dos agrupamentos formados. As variações nas taxas de crescimento relativas à média total dos dados foram reduzidas quando calculada para cada grupo de espécies.
ABSTRACT The aim of this study was to perform ecological and functional clustering of tree species in southwestern Amazon. Developed from data from 95 permanent plots of 1 ha each, all individuals with diameter at breast height (DBH) ≥10 cm were measured. The species grouping was performed in three stages: (1) cluster analysis, using the variables: diameter annual periodic increment -(IPADAP) considering three competition levels (high, medium and low) and the 95th percentile of the diameters (P95) cumulative frequency distribution (Ward hierarchical method); (2) Discriminant analysis, using the variables P95 and IPADAP by Fisher's method and (3) subjective stage, considering the species ecological characteristics. The Ward and Fisher methods used for discriminant and cluster analyses were effective for species grouping resulting on the formation of 10 groups. Variables: IPADAP and and P95 were efficient on the formed groups discrimination.. Variations in the growth rates for the overall mean data were reduced wen calculated for each group of species.
https://doi.org/10.1590/0100-67622016000600014
1049 downloads
7.
STRUCTURE OF 15 HECTARES PERMANENT PLOTS OF TERRA FIRME DENSE FOREST IN CENTRAL AMAZON
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Silva, Katia Emidio da
; Martins, Sebastião Venâncio
; Ribeiro, Carlos Antônio Alvares Soares
; Santos, Nerilson Terra
; Azevedo, Celso Paulo de
.
RESUMO A floresta densa de terra firme ocorre em 65% da região Amazônica e é caracterizada por possuir alta diversidade de espécies vegetais e elevada ocorrência de espécies raras. Este trabalho analisou a estrutura horizontal de 15 ha de parcelas aleatoriamente selecionadas de um conjunto de 400 ha de parcelas permanentes, localizadas no Campo Experimental da Embrapa em Manaus, AM.Todos os indivíduos com DAP ≥ 10 cm foram identificados em nível de espécie em 2005. Os valores de VI (Valor de Importância) foram separados em classes de amplitude de um (01) desvio padrão e os indivíduos distribuídos segundo classes de DAP de amplitude de 10 cm. Ao todo foram identificados 8771 indivíduos, distribuídos em 264 espécies e 53 famílias. Um maior número de indivíduos concentra-se em poucas espécies, tais como Protium hebetatum D.C.Daly, Eschweilera coriacea (DC.) S.A. Mori e Licania oblongifolia Standl. que somaram21% do número total de indivíduos e 12% do VI. Há elevada ocorrência de espécies raras (36%). As famílias Sapotaceae, Lecythidaceae e Burseraceae somaram 39% do número total de indivíduos. A estrutura diamétrica em forma de J-invertido mostra que80% dos indivíduos estão concentrados nas classes de 10-30 cm de DAP. Os resultados chamam a atenção para a elevada ocorrência de espécies raras e daquelas com baixa densidade, e com distribuição restrita a algumas parcelas, principalmente aquelas pertencentes às menores classes de VI, as quais devem merecer atenção especial nas ações de conservação da biodiversidade e manejo florestal.
ABSTRACT Terra Firme dense forest occurs in 65% of the Amazonian region and is characterized by the high diversity of plant species and high occurrence of rare plant species. The objective of this work was to analyze the horizontal structure of 15 hectares of plots, randomly chosen from a set of 400 ha of permanent plots situated at the Experimental Site of Embrapa, Manaus, Amazonas State, Brazil. All individuals with DBH ≥ 10 cm were identified at the level of species in 2005. The VI values (Values of importance) were separated in classes of range with one (01) standard deviation and the individuals distributed according to DBH classes of 10 cm in amplitude. In total, 8771 individuals were identified, distributed into 264 species and 53 families. A larger number of individuals is concentrated in a few number of species, such as Protium hebetatum D.C. Daly, Eschweilera coriacea (DC.) S.A. Mori and Licania oblongifolia Standl, which sum up 21% of the total number of individuals and 12% of the VI. There is a high occurrence of rare species (36%). The families Sapotaceae, Lecythidaceae and Burseraceae together accounted for 39% of the total number of individuals. The diametric structure in an inverse-J shape shows that 80% of the individuals are concentrated in the DBH classes ranging from 10 to 30 cm. The results highlight the high occurrence of rare species and those with low density, and with distribution restricted to some plots, particularly those belonging to the lowest classes of VI, which deserve special attention in actions for biodiversity conservation and forest management.
https://doi.org/10.1590/0100-67622016000400004
1668 downloads
8.
Couples in phoretic copulation, a tool for male-female association in highly dimorphic insects of the wasp genus Dissomphalus Ashmead (Hymenoptera: Bethylidae)
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Azevedo, Celso O.
; Colombo, Wesley D.
; Alencar, Isabel D.C.C.
; Brito, Chirlei D. de
; Waichert, Cecilia
.
ABSTRACT It is difficult to make reliable sex associations in several species of Hymenoptera due to sexual dimorphism. Only a few species of the flat wasp genus Dissomphalus Ashmead, 1893 have had their sexes associated, since females are rarely collected and differ morphologically from their conspecific males. Collecting couples during their phoretic copula is difficult, but it is the most reliable way to associate the sexes in Dissomphalus . Herein, we associate the sexes and discuss the mating system based on couples of six Dissomphalus species collected during copulation: D. bisserratus Azevedo, 1999, D. connubialis Evans, 1966, D. rettenmeyeri Evans, 1964, D. simulatus (Evans, 1969), comb. nov., D. mendicus Evans, 1969, and D. firmus Redighieri & Azevedo, 2006. The females of the latter three are described for the first time. The distribution of two species is expanded. Apenesia simulata Evans, 1969 is transferred to Dissomphalus and is now D. simulatus comb. nov. Finally, we briefly discuss the genital structures used during phoretic copulation, analyzing the male and female genitalia in copulation. During copulation, the mating female is attached to the male only by the genitalia and is apparently grasped by muscles attached to the male's metasoma.
https://doi.org/10.1590/s1984-4689zool-20160076
2189 downloads
9.
Axima nordestina (Hymenoptera, Eurytomidae), a new stalk-eyed wasp from Brazilian savannah
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A new stalk-eyed wasp Axima nordestina sp. n. is described from the Northeastern Brazilian savannah. Axima nordestina is the fourth species of stalk-eyed wasps (A. noyesi species group) and the second one known from Brazil. The head morphology of A. nordestina appears less derived than in the other known species. An updated key of the A. noyesi species group is provided.
https://doi.org/10.1016/j.rbe.2015.03.012
1004 downloads
10.
Revision of the Neotropical Laelius (Hymenoptera: Bethylidae) with notes on some Nearctic species
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Laelius Ashmead includes 54 known nominal species worldwide. We present a revision of the Neotropical species of Laelius and provide keys for the identification of males and females of these species. We propose fourteen nomenclatural changes and additions. For the Neotropics, seven new species from Brazil are described and illustrated: Laelius arryni sp. nov. which has clypeus bearing median lobe with apical margin straight; propodeal disc with inner discal carina complete; aedeagus with apical lobes touching each other and inner margin with hook-shaped process, L. baratheoni sp. nov. which has propodeal disc with second pair of discal carinae incomplete; genitalia with paramere wing-shaped; with long setae around the margin and cuspis wide, L. lannisteri sp. nov. which has median lobe of clypeus with apical margin straight; mesopleuron with mesopleural suture distinct; genitalia with paramere slender and angled, cuspis wide, L. martelli sp. nov. which has pronotum with series of foveae posteriorly; genitalia with paramere slender and placed dorsally, aedeagus not reaching apex of paramere, L. targaryeni sp. nov. which has head with clypeus wide and with apical margin rounded; propodeal disc without longitudinal ridge between median and inner discal carinae; forewing with r-rs & Rs longer than Rs+M, L. tullyi sp. nov. which has head densely punctate; pronotal disc, mesoscutum and mesoscutellum rugulose; mesopleuron with mesopleural suture not fused with posterior fovea, L. starki sp. nov. which has mesoscutellar sulcus straight; mesopleuron with all foveae closed; genitalia with paramere club-shaped and with aedeagus wide. For the Nearctic region, Laelius areolatus (Rosmann & Azevedo, 2005) is a new junior synonym of Laelius pedatus (Say, 1836) and lectotypes for L. rufipes Ashmead, 1893, L. nigripilosus Ashmead, 1893, L. tricarinatus Ashmead, 1893, L. trogodermatis Ashmaed, 1893, and Mesitius nigripilosus Ashmead, 1895 are designated. We also propose the name Laelius billi Barbosa & Azevedo nom. nov. for Mesitius nigripilosus Ashmead, 1895 and re-erect Laelius huachucae (Evans, 1965) from L. nigripilosus (Ashmead, 1895). As result, Laelius now includes 61 species, 15 of which are from the Neotropical region.
https://doi.org/10.1590/S1984-46702014000300012
2415 downloads
11.
Tree species community spatial structure in a terra firme Amazon forest, Brazil
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da Silva, Kátia Emidio
; Martins, Sebastião Venâncio
; Fortin, Marie-Josée
; Ribeiro, Milton Cezar
; de Azevedo, Celso Paulo
; Álvares Soares Ribeiro, Carlos Antonio
; Terra Santos, Nerilson
.
All trees with diameter at breast height dbh ≥ 10.0 cm were stem-mapped in a "terra firme" tropical rainforest in the Brazilian Amazon, at the EMBRAPA Experimental Site, Manaus, Brazil. Specifically, the relationships of tree species with soil properties were determined by using canonical correspondence analyses based on nine soil variables and 68 tree species. From the canonical correspondence analyses, the species were grouped into two groups: one where species occur mainly in sandy sites, presenting low organic matter content; and another one where species occur mainly in dry and clayey sites. Hence, we used Ripley's K function to analyze the distribution of species in 32 plots ranging from 2,500 m² to 20,000 m² to determine whether each group presents some spatial aggregation as a soil variations result. Significant spatial aggregation for the two groups was found only at over 10,000 m² sampling units, particularly for those species found in clayey soils and drier environments, where the sampling units investigated seemed to meet the species requirements. Soil variables, mediated by topographic positions had influenced species spatial aggregation, mainly in an intermediate to large distances varied range (≥ 20 m). Based on our findings, we conclude that environmental heterogeneity and 10,000 m² minimum sample unit sizes should be considered in forest dynamic studies in order to understand the spatial processes structuring the "terra firme" tropical rainforest in Brazilian Amazon.
Fueron mapeados los árboles con diámetro a la altura del pecho ≥ 10,0 cm en un bosque tropical lluvioso "terra firme" de la amazonia brasileña, en el Sitio Experimental de EMBRAPA, Manaus, Brasil. Las relaciones de 68 especies arbóreas con las propiedades del suelo fueron determinadas mediante análisis de correspondencia canónica sobre la base de nueve variables del suelo. En este análisis, las especies fueron agrupadas en dos grupos: uno, donde estas crecen principalmente en arena, con suelos de bajo contenido de materia orgánica, y otro, con especies que se desarrollan principalmente en suelos secos y arcillosos. La función K de Ripley fue utilizada para analizar la distribución de las especies en 32 parcelas de 2.500 hasta 20.000 m², con el fin de determinar si cada grupo presenta cierto grado de agregación espacial como resultado de variaciones del suelo. Una agregación espacial significativa para los dos grupos solo se encontró en unidades de muestreo > 10.000 m², en particular, para especies en suelos arcillosos y ambientes más secos, en los que las unidades de muestreo parecían cumplir con los requisitos de las especies. Variables del suelo, mediadas por la posición topográfica, influyeron la agregación espacial de especies, principalmente en la gama de distancias intermedia a grande (≥ 20 m). Según los resultados, se concluye que la heterogeneidad ambiental y tamaños de unidades de muestreo de por lo menos 10.000 m² se deben considerar en los estudios de dinámica de bosques con el fin de entender los procesos espaciales que estructuran la selva tropical "terra firme" en la amazonia brasileña.
1865 downloads
12.
A new fossil subfamily of Bethylidae (Hymenoptera) from the Early Cretaceous Lebanese amber and its phylogenetic position
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A new subfamily, a new genus and a new species of Bethylidae are described and illustrated from a single individual in Early Cretaceous amber from central Lebanon. Lancepyrinae subfam. nov. represented by Lancepyris opertus gen. and sp. nov. present a mosaic of features common among several bethylid subfamilies. The new taxon is easily distinguished from related taxa mainly by the forewing venation, which has an unusual combination of closed lanceolate marginal cell, Rs+M tubular and well pigmented and M+RS angled. Phylogenetic analysis including indicates that Lancepyris opertus gen. and sp. nov. is a sister group of all subfamilies that have Coleoptera as hosts. A checklist of the 45 known fossil bethylid species is provided.
2447 downloads
13.
Dinâmica e estoque de carbono em floresta primária na região de Manaus/AM
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Souza, Cintia Rodrigues de
; Azevedo, Celso Paulo de
; Rossi, Luiz Marcelo Brum
; Silva, Kátia Emídio da
; Santos, Joaquim dos
; Higuchi, Niro
.
Este trabalho analisou dados de três inventários florestais realizados na área da Floresta Experimental, pertencente à Embrapa Amazônia Ocidental e localizada no km 54 da BR-174, em Manaus/AM. O objetivo foi estudar a dinâmica da floresta - taxas de incremento, recrutamento e mortalidade - além do estoque de carbono, em uma área de floresta primária, sem qualquer tipo de intervenção. Os inventários foram realizados nos anos de 2005, 2007 e 2010, em 15 parcelas permanentes de 1 hectare cada, onde foram mensuradas todas as árvores com diâmetro a 1,3 m de altura do solo (DAP) superior a 10 cm. Foram calculadas as taxas de recrutamento e mortalidade, os incrementos periódicos anuais (IPAs) em termos de DAP, área basal e volume, as biomassas fresca e seca acima do nível do solo e total e o estoque de carbono da vegetação. As taxas de recrutamento foram de 2% e 1,8% e as de mortalidade foram de 0,95% e 1,3% para os períodos entre 2005 e 2007 e 2007 e 2010, respectivamente. O volume foi de 345,62 m3 ha-1 para o ano de 2005, aumentando para 360,67 m3 ha-1 em 2010, com IPAs de 4,32 m3 ha-1 ano-1 entre 2005 e 2007 e 1,31 m3 ha-1 ano-1 entre 2007 e 2010. O estoque de carbono total teve um acréscimo de 173,63 t C ha-1 em 2005 para 181,01 t C ha-1 em 2010, confirmando que a floresta acumulou carbono no período, atuando assim como sumidouro.
This study analyzed data from three forest inventories conducted in the Experimental Forest, which belongs to Embrapa Western Amazon basin and is located at km 54 on BR-174, Manaus / AM. The aim was to study forest dynamics - the rates of recruitment, growth and mortality - in addition to carbon storage in an area of primary forest, without any intervention. The surveys were conducted in the years 2005, 2007 and 2010 in 15 permanent plots of 1 hectare each. There, all trees with diameter at breast height (DBH) above 10 cm were measured. We calculated the rates of recruitment and mortality, the periodic annual increments (PAIs) in terms of DBH, basal area and volume, fresh and dry biomass above the soil and total carbon storage in the vegetation. The recruitment rates were 2.0 percent and 1.8 percent, and mortality were 0.95 percent and 1.3 percent for the periods between 2005 and 2007 and 2007 and 2010, respectively. The volume was 345.62 m3 ha-1 for the year 2005, rising to 360.67 m3 ha-1 in 2010 with PAIs of 4.32 m3 ha-1 yr-1 between 2005 and 2007 and 1.31 m3 ha-1 yr-1 between 2007 and 2010. The total carbon storage increased from 173.63 t C ha-1 in 2005 to 181.01 t C ha-1 in 2010, confirming that the forest accumulated carbon in the period, acting as a sink.
14.
Floristic composition and similarity of 15 hectares in Central Amazon, Brazil
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Emidio da Silva, Kátia
; Martins, Sebastião Venancio
; Alvares Soares Ribeiro, Carlos Antonio
; Terra Santos, Nerilson
; de Azevedo, Celso Paulo
; de Almeida Matos, Francisca Dionizia
; do Amaral, Ieda Leão
.
La región amazónica es una de las más diversas áreas del mundo. Los estudios sobre la gran diversidad de bosques tropicales generan contribuciones relevantes en la comprensión de los mecanismos que originan y apoyan tal diversidad. En el presente estudio se describe la composición de las especies y la diversidad de 15 parcelas de una hectárea en el bosque denso amazónico terra firme en Brasil, y compara la similitud florística de estas parcelas con otras nueve parcelas de una hectárea. Las 15 parcelas estudiadas fueron seleccionadas al azar, en el 2005, de parcelas permanentes en el sitio experimental de Embrapa, Estado de Amazonas. La diversidad fue analizada utilizando la riqueza de especies y el índice de Shannon, así como el índice de Similitud de Sorensen; y como método de agrupación se utilizó el promedio no ponderado por grupo (UPGMA). La prueba de Mantel se llevó a cabo para estudiar si las diferencias en la composición de especies entre los sitios podrían ser explicadas por la distancia geográfica entre ellos. En general, se identificaron 8 771 individuos, 264 especies y 51 familias de plantas. La mayoría de las especies se concentraron en pocas familias y pocas tenían un gran número de individuos. Las familias que presentaron la mayor riqueza de especies fueron: Fabaceae (Faboideae: 22spp, Mimosoideae: 22spp), Sapotaceae: 22spp, Lecythidaceae: 15 y Lauraceae: 13. Burseraceae tuvo el mayor número de individuos con un 11.8% del total. Las diez especies más abundantes fueron: Protium hebetatum (1 037 individuos), Eschweilera coriacea (471), Licania oblongifolia (310), Pouteria minima (293), Ocotea cernua (258), Scleronema micranthum (197), Eschweilera collina (176), Licania apelata (172), Naucleopsis caloneura (170) y Psidium araca (152), que representó un 36.5% de todos los individuos. Aproximadamente en el 49% de las especies se encontraron hasta diez individuos, mientras que el 13% de las especies apareció sólo una vez en todas las parcelas de muestreo, lo que demuestra una alta presencia de especies raras. La zona de estudio se encuentra en un bosque con alta diversidad de especies de árboles, con un índice de diversidad de Shannon de 4.49. El dendrograma mostró dos grupos de parcelas con baja similitud entre ellas (menos de 0.25), y entre más cercanas las parcelas, más similares en composición de especies fueron (Mantel R=0.3627, p<0.01). Las 15 parcelas en nuestra área de estudio compartieron más del 50% de su composición de especies y representaron el grupo de parcelas con la menor distancia entre ellas. En general, nuestros resultados ponen de manifiesto la alta heterogeneidad local y regional de los ambientes de los bosques de terra firme, y la gran concurrencia de especies raras, lo cual debe ser considerado en los planes de manejo y conservación de la selva amazónica, con el fin de mantener su estructura a largo plazo.
The Amazon region is one of the most diverse areas in the world. Research on high tropical forest diversity brings up relevant contributions to understand the mechanisms that result and support such diversity. In the present study we describe the species composition and diversity of 15 one-ha plots in the Amazonian terra firme dense forest in Brazil, and compare the floristic similarity of these plots with other nine one-ha plots. The 15 plots studied were randomly selected from permanent plots at the Embrapa Experimental site, Amazonas State in 2005. The diversity was analysed by using species richness and Shannon’s index, and by applying the Sorensen’s index for similarity and unweighted pair-group average (UPGMA) as clustering method. Mantel test was performed to study whether the differences in species composition between sites could be explained by the geographic distance between them. Overall, we identified 8 771 individuals, 264 species and 51 plant families. Most of the species were concentrated in few families and few had large number of individuals. Families presenting the highest species richness were Fabaceae (Faboideae: 22spp., Mimosoideae: 22spp.), Sapotaceae: 22spp., Lecythidaceae: 15 and Lauraceae: 13. Burseraceae had the largest number of individuals with 11.8% of the total. The ten most abundant species were: Protium hebetatum (1 037 individuals), Eschweilera coriacea (471), Licania oblongifolia (310), Pouteria minima (293), Ocotea cernua (258), Scleronema micranthum (197), Eschweilera collina (176), Licania apelata (172), Naucleopsis caloneura (170) and Psidium araca (152), which represented 36.5% of all individuals. Approximately 49% of species had up to ten individuals and 13% appeared only once in all sampled plots, showing a large occurrence of rare species. Our study area is on a forest presenting a high tree species diversity with Shannon’s diversity index of 4.49. The dendrogram showed two groups of plots with low similarity between them (less than 0.25), and the closer the plots were one to another, more similar in species composition (Mantel R=0.3627, p<0.01). The 15 plots in our study area share more than 50% of their species composition and represent the group of plots that have the shortest distance between each other. Overall, our results highlight the high local and regional heterogeneity of environments in terra firme forests, and the high occurrence of rare species, which should be considered in management and conservation programs in the Amazon rainforest, in order to maintain its structure on the long run. Rev. Biol. Trop. 59 (4): 1927-1938. Epub 2011 December 01.
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Sinopse das espécies neotropicais do grupo nitida do gênero Apenesia (Hymenoptera, Bethylidae)
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São descritas e ilustradas duas espécies: Apenesia quelata sp. nov. e A. trivisa sp. nov. São fornecidos registros geográficos novos e dados sobre variações morfoestruturais de A. membranaceus Lanes & Azevedo, 2004, A. paraensis Kieffer, 1910, A. quadrata Evans, 1963, A. serrulata Azevedo & Batista, 2002 e A. williamsi Evans, 1966. Duas espécies são sinonimizadas: A. laticeps Evans, 1963 como sinônimo júnior de A. quadrata Evans, 1963; A. truncaticeps (Kieffer, 1910) como sinônimo júnior de A. paraensis Kieffer, 1910. A fêmea de A. quadrata é descrita e ilustrada pela primeira vez. É fornecida chave de identificação para as espécies do grupo nitida, baseada em machos.
Two species are described and illustrated: Apenesia quelata sp. nov. and A. trivisa sp. nov. New geographic records and data on morphostructural variation of A. membranaceus Lanes & Azevedo, 2004, A. paraensis Kieffer, 1910, A. quadrata Evans, 1963, A. serrulata Azevedo & Batista, 2002, e A. williamsi Evans, 1966 are provided. Two species are synonymyzed: A. laticeps Evans, 1963 as junior synonym of A. quadrata Evans, 1963; A. truncaticeps (Kieffer, 1910) as junior synonym of A. paraensis Kieffer, 1910. The female of A. quadrata is described and illustrated for the first time. Key to the species of the nitida species-group based on males is provided.
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