Results 11 to 20 of about 1,419 (183)

Conservation Biology; a crisis science/
Biologia da Conservação: ciência da crise

Semina: Ciências Agrárias, 2002
The science of conservation biology has been developed as an answer to the extinction crisis the world is currently facing. Conservation Biology is a synthesis of many different subjects, like Ecology, Population Biology, Anthropology, Taxonomy, all of ...
Efraim Rodrigues
doaj   +3 more sources

O conceito de biodiversidade e a história da biologia da conservação: da preservação da wilderness à conservação da biodiversidade [PDF]

História, 2013
Trata do surgimento do conceito de biodiversidade e do processo de emergência da biologia da conservação como uma subdisciplina da biologia. Mostra as relações entre a biologia da conservação e o ativismo que se desenvolve com o objetivo de promover a ...
José Luiz de Andrade Franco
doaj   +2 more sources

Amazonian amphibians: diversity, spatial distribution patterns, conservation and sampling deficits [PDF]

Biodiversity Data Journal
The Amazon biome is home to the largest tropical forest on the planet and has the greatest global biodiversity on Earth. Despite this, several less charismatic taxonomic groups, such as amphibians, lack comprehensive studies on their species richness and
Marcos Penhacek, Thadeu Souza, Jessie Santos, Vinicius Guerra, Rodrigo Castro-Souza, Domingos Rodrigues   +5 more
doaj   +4 more sources

Responses of vector and non-vector mosquito communities to a gradient of native forest cover loss in the Cerrado hotspot, Brazil [PDF]

Scientific Reports
This study aimed to investigate the impact of forest cover loss on the composition of vector and non-vector mosquitoes and to identify potential thresholds for some mosquito species across the gradient of forest cover loss.
Adriano Nobre Arcos, Philip Teles Soares, Francisco Augusto da Silva Ferreira, Francisco Valente-Neto, Wanderli Pedro Tadei, Fabio de Oliveira Roque   +5 more
doaj   +2 more sources

Patterns associated with hunting with dogs in a semiarid region of northeastern Brazil

Journal of Ethnobiology and Ethnomedicine, 2022
Background Hunting has been an important cultural and subsistence activity for the survival of the human population. In the Brazilian semiarid region (Caatinga), the extreme seasonal changes and socioeconomic conditions have made local people dependent ...
Sebastiana Lima Santos, María Fernanda De la Fuente, Rômulo Romeu Nóbrega Alves   +2 more
doaj   +1 more source

Phytoplankton and macroinvertebrate diversity and eco-exergy responses to rainfall diverge in semiarid reservoirs

Ecological Indicators, 2023
Rainfall is a variable that drives community structure in aquatic ecosystems and is even more important in dry regions. Most studies have evaluated how the seasonal variation of rainfall influences aquatic communities.
Érica Luana Ferreira Álvaro, Rosemberg F. Menezes, Juliana dos Santos Severiano, Joseline Molozzi   +3 more
doaj   +1 more source

Characterization and spatiotemporal dynamics of the ichthyofauna of two tidal containment zones on the Brazilian Amazon coast

Boletim do Instituto de Pesca, 2023
This study aimed to characterize spatiotemporal variations in the ichthyofauna of two tidal containment zones in Maranhão state, Brazil. Monthly, collections were carried out in the containment zones of São Luís and São José de Ribamar, with samplings ...
Ladilson Rodrigues Silva, Yago Bruno Silveira Nunes, Marina Bezerra Figueiredo, Ícaro Gomes Antonio   +3 more
doaj   +1 more source

Ultrasonographic Ocular Biometry of the Greater Caribbean Manatee (Trichechus manatus manatus). [PDF]

Vet Ophthalmol
ABSTRACT This study aimed to characterize the ocular biometry of the Trichechus manatus manatus applying B‐mode ultrasonography across different age groups. Twenty‐two animals were assessed employing a portable ultrasound device equipped with a linear transducer. Five ocular parameters were assessed: corneal thickness (CT), anterior chamber depth (ACD),
de Oliveira REM, Attademo FLN, Oliveira RKM, Dos Santos RP, de Oliveira Luna F, Mignucci-Giannoni AA, Cabrias-Contreras LJ, de Sá FB, Silva FJL, Freire ACDB, de Oliveira MF.   +10 more
europepmc   +2 more sources

What are the factors influencing the aversion of students towards reptiles?

Journal of Ethnobiology and Ethnomedicine, 2021
Background Reptiles form a paraphyletic group with significant roles for human society, including species that are considered important for food, medicinal and mystical use and as pets.
Moacyr Xavier Gomes da Silva, Franciany Braga-Pereira, Mikaela Clotilde da Silva, José Valberto de Oliveira, Sérgio de Faria Lopes, Rômulo Romeu Nóbrega Alves   +5 more
doaj   +1 more source

Fauna and conservation in the context of formal education: a study of urban and rural students in the semi-arid region of Brazil

Journal of Ethnobiology and Ethnomedicine, 2020
Background In addition to playing a key role in the dynamics of ecosystems, animal diversity, especially that of wild vertebrates, is intimately linked with human evolutionary history, which has resulted in diverse interactions that must be emphasized in
José Valberto de Oliveira, Moacyr Xavier Gomes da Silva, Anna Karolina Martins Borges, Wedson Medeiros Silva Souto, Sérgio de Faria Lopes, Dilma Maria de Brito Melo Trovão, Raynner Rilke Duarte Barboza, Rômulo Romeu Nóbrega Alves   +7 more
doaj   +1 more source