Results 41 to 50 of about 419,107 (157)

Fire Effects on Bird Communities From Seasonally Flooded Forests Along Amazonian Black Water Rivers of the Negro River Basin

open access: yesDiversity and Distributions, Volume 31, Issue 5, May 2025.
ABSTRACT Aim Fire significantly contributes to Amazonian degradation, with igapó forests (seasonally flooded by blackwater rivers) being especially vulnerable. Igapó forests support species adapted to seasonal flooding, making fire a critical threat to these specialised organisms.
C. Valentim   +6 more
wiley   +1 more source

Middle Bronze Age funerary hipogea from Torre Velha 3 (Serpa, Portugal). The Southeast inside the Southwest?!

open access: yesZephyrus, 2011
Recent archaeological excavations in the Portuguese region of Baixo Alentejo, carried out under the implementation of the irrigation project connected with the Alqueva Dam (EDIA), have brought to light important finds dated to the Southwestern Bronze Age.
Catarina ALVES   +6 more
doaj  

Metapopulation in bats of Southern Brazil Metapopulação em morcegos do sul do Brasil

open access: yesBrazilian Journal of Biology, 2012
The purpose was to show that displacements, promoters of genetic diversity in metapopulations, increase the probability of survival of bat species adapted to medium and long-distance flights.
NR Reis   +3 more
doaj   +1 more source

Distribuição da variabilidade genética da umburana-de-cheiro no semi-árido brasileiro, com base em marcadores RAPD. [PDF]

open access: yes, 2018
O objetivo deste trabalho foi analisar a distribuição da variabilidade genética da umburana-de-cheiro no semi-árido, de forma a propor estratégias de preservação da mesma, seja em áreas de preservação ambiental (APAs) seja on ...
OLIVEIRA, V. R. de, SANTOS, C. A. F.
core  

Non‐Native Species Abundance Decreases the Co‐Occurrence Between Native and Non‐Native Species Through Time at Any Phylogenetic Distance

open access: yesEcology Letters, Volume 28, Issue 4, April 2025.
We investigate how non‐native species can impact native species in a 30‐year time scale by estimating the co‐occurrence between native and non‐native species pairs. We show that interannual variability of non‐native species abundance could be more important than long‐term abundance trends in determining the effects of non‐native species through time ...
Amanda Cantarute Rodrigues   +4 more
wiley   +1 more source

Flora arbórea de capões na Reserva da Biosfera da Serra do Espinhaço

open access: yesRevista Espinhaço, 2021
Capões abrigam um dos maiores patrimônios biológicos da Reserva da Biosfera da Serra do Espinhaço e sua conservação depende do conhecimento amplo e detalhado de suas espécies.
Thaís Ribeiro Costa   +3 more
doaj   +1 more source

Distribuição da variabilidade genética da aroeira no semi-árido brasileiro, com base em marcadores RAPD. [PDF]

open access: yes, 2018
O objetivo deste trabalho foi analisar a distribuição da variabilidade genética da aroeira no semi-árido, de forma a propor estratégias de preservação da mesma, seja em áreas de preservação ambiental (APAs) seja on ...
OLIVEIRA, V. R. de, SANTOS, C. A. F.
core  

PicoCam: High‐resolution 3D imaging of live animals and preserved specimens

open access: yesMethods in Ecology and Evolution, Volume 15, Issue 11, Page 1980-1989, November 2024.
Abstract The PicoCam system is a multi‐camera photogrammetry rig used for generating high‐resolution 3D models of animals in the field, or preserved specimens in laboratory or museum settings. The digital measurement of 3D models is increasingly useful for studying body shape. However, methods that capture sub‐millimetric detail often do so at the cost
Josh Medina   +9 more
wiley   +1 more source

Preservação e preparo de amostras. [PDF]

open access: yes, 2011
Organizado pro Airton kunz, Martha Mayuni Higarashi, Paulo Esteves, Cátia Silene Klein, Carlos Bernardi, Claudete Hara Klein, Anelise Sulzbach, Tânia Maria Biavatti ...
BARIN, J., NOGUEIRA, A. R. de A.
core  

Plastic debris ingested by a rough-toothed dolphin, Steno bredanensis, stranded alive in northeastern Brazil.

open access: yesBiotemas, 2007
Ingestão de lixo plástico por um golfinho-de-dentes-rugosos, Steno bredanensis, encalhado vivo no Nordeste do Brasil. Um macho adulto de golfinho de-dentes-rugosos, Steno bredanenis, encalhou vivo na Praia do Poço da Draga, Fortaleza, Ceará, nordeste do ...
Ana Carolina Oliveira de Meirelles   +1 more
doaj  

Home - About - Disclaimer - Privacy