Results 71 to 80 of about 408,859 (199)

Feeding and foraging ecology of Trindade petrels Pterodroma arminjoniana during the breeding period in the South Atlantic Ocean [PDF]

open access: yes, 2017
Seabirds breeding in tropical environments experience high energetic demands, when foraging in an oligotrophic environment. The globally threatened Trindade petrel Pterodroma arminjoniana has its largest colony in Trindade Island (20°30′S–29°19′W) inside
Bugoni, Leandro   +4 more
core   +1 more source

Taxonomic and functional diversity of urban bees of the world

open access: yesConservation Biology, EarlyView.
Abstract Bees play a pivotal role in terrestrial environments. Urbanization can affect these organisms and the ecosystem services they provide. However, knowledge of the global diversity of urban bees is limited. Thus, we summarized data on urban bee species identities and occurrences; compared distributions of all bees with those found in urban ...
João C. F. Cardoso   +10 more
wiley   +1 more source

Balancing risk and opportunity: Nasute termite responses to predator and competitor chemical cues

open access: yesEcological Entomology, EarlyView.
Nasutitermes corniger discriminates between heterospecific chemical cues during foraging, showing non‐random resource selection based on predator and competitor information. Predator chemical cues consistently reduce food resource selection, indicating avoidance driven by perceived predation risk rather than direct encounters.
Aline N. F. Silva   +6 more
wiley   +1 more source

Avaliação do risco de extinção do veado-campeiro Ozotoceros bezoarticus Linnaeus, 1758, no Brasil

open access: yesBiodiversidade Brasileira, 2012
O estado de conservação no Brasil, das duas subespécies do veado-campeiro, Ozotoceros bezoarticus (Linnaeus, 1758), que ocorrem no país, foi avaliado de acordo com os critérios da IUCN (2001), com base nos dados disponíveis até 2010.
José Maurício Barbanti Duarte   +7 more
doaj   +3 more sources

Forest type modulates mammalian responses to megafires

open access: yesScientific Reports
Although considered an evolutionary force responsible for shaping ecosystems and biodiversity, fires’ natural cycle is being altered by human activities, increasing the odds of destructive megafire events.
Marcelo Magioli   +13 more
doaj   +1 more source

Legislação ambiental e processos participativos de criação de Unidades de Conservação: avanços e desafios - o caso da Floresta Estadual do Amapá [PDF]

open access: yes, 2014
Este artigo aborda a questão da evolução da legislação ambiental e dos processos de criação e implementação das Unidades de Conservação no Brasil, destacando o caso da Floresta Estadual do Amapá (FLOTA/AP), uma Unidade de Conservação de Uso Sustentável ...
Cialdella, Nathalie   +2 more
core   +1 more source

Lack of Compliance in Gillnet Fisheries Regulations Increases Risk to a Vulnerable Species

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT This article presents an analysis of regulatory compliance in a Brazilian gillnet fishery, based on Vessel Monitoring System (VMS) tracking data. Satellite transmissions records, interpreted as proxies for gillnet haulings events, were analyzed and classified using a neural network to assess the level of compliance of the gillnet fleet.
Rodrigo Claudino dos Santos   +3 more
wiley   +1 more source

Programa Monitora e avaliação do risco de extinção da fauna no Brasil: lacunas e sinergias

open access: yesBiodiversidade Brasileira
O Programa Nacional de Monitoramento da Biodiversidade (Programa Monitora) gera dados de distribuição geográfica, número de indivíduos e tendência populacional das espécies da fauna brasileira em unidades de conservação (UCs), além de contribuir para a ...
Marcio Uehara-Prado   +8 more
doaj   +1 more source

Fine‐scale patterns of genetic structure in three species of forest birds reveal dynamic Pleistocene history within an Amazonian interfluve

open access: yesIbis, EarlyView.
Phylogeographical studies of Amazonian birds have revealed large intraspecific diversity, even within recognized areas of endemism. To understand the origin and organization of Amazonian diversity, including the influence of current and historical landscapes, we need to evaluate fine‐scale patterns of genetic diversity in relation to detailed ...
Affonso Henrique Nascimento de Souza   +4 more
wiley   +1 more source

Conservação on farm de plantas forrageiras. [PDF]

open access: yes, 2012
Ações de conservação in situ/on farm associadas a métodos participativos; Algumas considerações sobre a conservação de espécies forrageiras em campo nativo; Descrição do processo on farm para a conservação de plantas forrageiras nativas do Bioma Pampa ...
MAZZOCATO, A. C.
core  

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