Results 11 to 20 of about 76,170 (190)

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

open access: yesHistória, 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   +3 more sources

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

open access: yesBiodiversity 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   +5 more
doaj   +4 more sources

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

open access: yesJournal 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   +2 more
doaj   +1 more source

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

open access: yesEcological 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   +3 more
doaj   +1 more source

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

open access: yesBoletim 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   +3 more
doaj   +1 more source

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

open access: yesJournal 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   +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

open access: yesJournal 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   +7 more
doaj   +1 more source

Multi-temporal ecological niche modeling for bird conservation in the face of climate change scenarios in Caatinga, Brazil [PDF]

open access: yesPeerJ, 2023
Background Global shifts in climatic patterns have been recorded over the last decades. Such modifications mainly correspond to increased temperatures and rainfall regime changes, which are becoming more variable and extreme. Methods We aimed to evaluate
Gabriela Silva Ribeiro Gonçalves   +6 more
doaj   +2 more sources

Wild dogs at stake: deforestation threatens the only Amazon endemic canid, the short-eared dog (Atelocynus microtis) [PDF]

open access: yes, 2020
The persistent high deforestation rate and fragmentation of the Amazon forests are the main threats to their biodiversity. To anticipate and mitigate these threats, it is important to understand and predict how species respond to the rapidly changing ...
Abrahams, Mark   +48 more
core   +3 more sources

Abiotic drivers shape seed inputs and outputs in a tropical wetland on Croton trinitatis population

open access: yesEcological Processes, 2022
Background Predicting how natural and anthropogenic drivers shape different ecological indicators, such as plant populations along environmental gradients, can be a relevant tool for establishing management and conservation criteria of tropical wetlands.
Francielli Bao   +2 more
doaj   +1 more source

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