Results 41 to 50 of about 368,231 (185)

Biological variables of Hypostomus francisci (Siluriformes: Loricariidae) from Itapecerica River, Minas Gerais State, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2016
Herein we determine for the first time the reproduction parameters and population structure of Hypostomus francisci in the Itapecerica River, São Francisco Basin. A total of 250 specimens was captured quarterly between March 2010 and February 2012.
CAMILA F. SALES   +5 more
doaj   +1 more source

Fire modulates the structural drivers and functioning of individual‐based plant‐pollinator networks

open access: yesJournal of Ecology, Volume 114, Issue 5, May 2026.
Ecological drivers that shape (positively or negatively) the plant‐pollinator network and determine plant fitness, both before and after a fire. Abstract Fire is a natural phenomenon that shapes ecosystems, but climate change and human activities have increased its frequency and magnitude, disrupting essential ecosystem services like pollination ...
Larissa Alves‐de‐Lima   +5 more
wiley   +1 more source

Abundance and Seasonal Dynamics of Guiana Dolphins (Sotalia guianensis) in Southern Brazilian Estuarine and Adjacent Coastal Waters

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.
ABSTRACT Estimating population parameters is crucial for understanding species dynamics and assessing anthropogenic impacts, thereby supporting conservation efforts. We evaluate key population parameters—group structure, abundance and capture–recapture probabilities—of the Guiana dolphin in the Paranaguá Estuarine Complex and adjacent coastal waters ...
Stephane P. G. de Moura   +3 more
wiley   +1 more source

Scaling the effects of size and temperature on animal consumption rates from individuals to populations in a subtropical reef fish

open access: yesFunctional Ecology, Volume 39, Issue 12, Page 3385-3395, December 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Measuring how temperature and body size drive individual consumption rates is fundamental to predict how climate change might shape population‐level consumption pressure. Yet, such measurements remain rare.
Pedro N. S. Zaú   +4 more
wiley   +1 more source

Precipitation and Temperature‐Dependent Locomotor Performance Drive the Abundance of a Neotropical Lizard

open access: yesBiotropica, Volume 57, Issue 6, November 2025.
We investigated how climate and ecophysiology affect the demography of the lizard Tropidurus oreadicus in the Brazilian Cerrado. While lizards were more frequently captured in the dry season, their abundance peaked during the rainy season when their locomotor performance was highest.
Raquel da Silva Acácio   +4 more
wiley   +1 more source

Dinâmica populacional de cachorros domésticos de vida livre na Universidade Federal de Santa Catarina [PDF]

open access: yes, 2011
TCC(graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Biológicas. Biologia.Cães de vida livre são responsáveis por grandes riscos à saúde humana devido a mordidas e transmissão de doenças contagiosas, tais como raiva, leishmaniose e
Mauricio, Leticia Santos
core  

Monitoring population extinction risk with community science data

open access: yesJournal of Applied Ecology, Volume 62, Issue 9, Page 2133-2147, September 2025.
Our modelling framework provides a robust, computationally efficient and easy‐to‐apply tool for monitoring local persistence probability that can support global conservation efforts. This will complement the monitoring of species population viability in places where standardized monitoring is still lacking, but community science observations are common.
Orlando Acevedo‐Charry   +8 more
wiley   +1 more source

Estrutura demográfica, conhecimento e uso local de Guabiroba (Campomanesia spp.) [PDF]

open access: yes, 2010
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Agrárias. Curso de Agronomia.O trabalho foi desenvolvido no âmbito do projeto CONSERVABIO, proposto pela EMBRAPA em conjunto com as FLONAS de Irati- PR, Três Barras - SC e Passo
Adan, Natalia
core  

O ENVELHECIMENTO POPULACIONAL PODE TORNAR-SE ESTÍMULO DE VANTAGEM COMPETITIVA TERRITORIAL?

open access: yesKairós Gerontologia, 2010
O artigo busca articular o conceito de competitividade territorial com o fenómeno do envelhecimento populacional. Destaca o papel fundamental que os indivíduos tem na promoção da competitividade e, face as alterações da estrutura demográfica, propõe uma ...
Gustavo Toshiaki Lopes Sugahara
doaj  

AVALIAÇÃO DOS COMITÊS DE PREVENÇÃO DE ÓBITOS MATERNOS, FETAIS E INFANTIS DE UMA REGIÃO DO ESTADO DE MINAS GERAIS, BRASIL

open access: yesREME: Revista Mineira de Enfermagem, 2020
RESUMO Introdução: a redução da mortalidade materna e infantil é prioridade internacional e nacional devido ao alto potencial de evitabilidade desses óbitos.
Letícia Alves Rodrigues   +4 more
doaj   +1 more source

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