Results 21 to 30 of about 1,419 (183)

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

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

Adelmar Coimbra-Filho: primatologia, áreas protegidas e conservação da natureza no Brasil

open access: yesHistória, 2022
RESUMO O presente artigo trata do papel desempenhado por Adelmar Coimbra-Filho no desenvolvimento da ciência da primatologia e da conservação da natureza no Brasil.
Alyne dos Santos Gonçalves   +1 more
doaj   +1 more source

Monitoramento de borboletas: o papel de um indicador biológico na gestão de unidades de conservação

open access: yesBiodiversidade Brasileira, 2016
Programas de monitoramento podem ser considerados boas estratégias para avaliação continuada da qualidade de habitats ao longo do tempo. Entretanto, para que seu emprego tenha êxito, é necessário um sistema capaz de gerir e administrar as atividades a ...
Jessie Pereira Santos   +3 more
doaj   +3 more sources

Chironomus larvae (Chironomidae: Diptera) as water quality indicators along an environmental gradient in a neotropical urban stream

open access: yesRevista Ambiente & Água, 2015
Anthropogenic interference in urban lotic systems is a factor affecting the biota of waterbodies. Aquatic macro invertebrates are an important food source for fish and are valuable indicators of water quality.
Nadja Gomes Machado   +7 more
doaj   +1 more source

Helminth fauna of Passer domesticus (Passeriformes: Passeridae) in the southern extreme of Brazil

open access: yesRevista Mexicana de Biodiversidad, 2020
The objective of this study was to report helminth parasite species of Passer domesticus (Linnaeus, 1758) (sparrow) and to analyze infection rates in relation to total length, body mass and sexual gender of hosts.
Luciana Siqueira-Silveira dos Santos   +3 more
doaj   +1 more source

Crypsis by background matching and disruptive coloration as drivers of substrate occupation in sympatric Amazonian bark praying mantises

open access: yesScientific Reports, 2023
Background matching and disruptive coloration are common camouflage strategies in nature, but few studies have accurately measured their protective value in living organisms.
João Vitor de Alcantara Viana   +8 more
doaj   +1 more source

Feeding habits define habitat use by bats in an agricultural landscape of the Atlantic Forest

open access: yesRevista Mexicana de Biodiversidad, 2020
Agricultural expansion and fragmentation of native habitats is considered to be the major cause of declining biodiversity worldwide, negatively impacting the provision and maintenance of nature’s contributions to people.
Rafael Souza Laurindo   +5 more
doaj   +1 more source

Indigenous and Traditional Management Creates and Maintains the Diversity of Ecosystems of South American Tropical Savannas

open access: yesFrontiers in Environmental Science, 2022
The tropical South American savannas have been occupied and manipulated by humans since the late Pleistocene. Ecologists consider that soils, hydrology, and seasonal precipitation influence the structure and composition of plants and the fire-proneness ...
Maria Julia Ferreira   +6 more
doaj   +1 more source

Fatores a serem observados na criação de Áreas Protegidas: o caso do Parque Nacional do Descobrimento (Prado/BA)

open access: yesSociedade & Natureza, 2020
A criação de áreas protegidas é um dos mecanismos encontrados para garantir a proteção da biodiversidade frente às constantes e crescentes ameaças.
Euripedes Junior Pontes   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy