Results 41 to 50 of about 126,122 (143)

Slow Recovery and Loss of Species Richness in a Semi‐Deciduous Seasonal Atlantic Forest After Selective Logging and Drought Events

open access: yesJournal of Vegetation Science, Volume 37, Issue 3, May/June 2026.
Long‐term monitoring revealed slow recovery and declining species richness in a semi‐deciduous Atlantic Forest following selective logging and recurrent droughts. Despite structural increases, compositional shifts toward dominance by a few species indicate functional simplification.
Nilson Berriel   +5 more
wiley   +1 more source

An inverse latitudinal gradient in intraspecific genetic diversity of a dominant ant in the neotropical savanna

open access: yesEcosphere, Volume 17, Issue 4, April 2026.
Abstract Although latitudinal gradient of diversity (LGD) is a biogeographic pattern widely shown for distinct animal groups, some display the opposite pattern, with biodiversity peaking away from the equator. These inverse gradients may result from drivers that also overlap with extrinsic factors shaping genetic diversity across taxa, a level of ...
Marianne Azevedo‐Silva   +9 more
wiley   +1 more source

NOVO REGISTRO DO JABUTI-PIRANGA Chelonoidis carbonarius (Spix, 1824) (TESTUDINES: TESTUDINIDAE) NO ESTADO DE SÃO PAULO, BRASIL

open access: yesRevista do Instituto Florestal, 2021
O jabuti-piranga Chelonoidis carbonarius não consta nas listas recentes de espécies nativas de répteis do estado de São Paulo, sudeste do Brasil. Durante trabalho de campo em 2019 constatamos a presença de alguns indivíduos desta espécie na área das ...
Alexsander Zamorano Antunes
doaj   +1 more source

Vertebrate community composition and activity at giant otter latrines in the northern Pantanal

open access: yesEcosphere, Volume 17, Issue 4, April 2026.
Abstract Mustelids and other terrestrial carnivores use communal latrines where feces and urine serve as olfactory cues for territory demarcation and intraspecific communication. These strong scent cues may also influence the broader vertebrate community, either acting as an attractant for species in search of food or as a warning of predator presence.
Evan P. Olden   +8 more
wiley   +1 more source

Licófitas e samambaias da estação ecológica do Panga, Uberlândia, MG, Brasil: equisetaceae, Lycopodiaceae e chave para as famílias

open access: yesHoehnea
O presente trabalho apresenta o tratamento taxonômico das espécies de Equisetaceae e Lycopodiaceae da Estação Ecológica do Panga, assim como a chave para as famílias da área.
Adriana A. Arantes   +2 more
doaj   +1 more source

Notas sobre alguns morcegos da ilha de Maracá, Território Federal de Roraima (Mammalia, Chiroptera) [PDF]

open access: yesActa Amazonica, 1980
Resumo Foram analisadas oito espécies de morcegos (Pteronotus parnellii rubiginosus, Carollia p. perspicillata, Uroderma b. bilobatum, Uroderma magnirostrum, Chiroderma v. villosum, Artibeus fuliginosus, Desmodus r. rotundus, Molossus m.
Valdir Antonio Taddei   +1 more
doaj   +1 more source

Dispersal and delimitation: Phylogenomics of Connaraceae prompts revised generic delimitation in Cnestideae and reveals global biogeographic patterns

open access: yesTAXON, Volume 75, Issue 2, April 2026.
Abstract The tempo and mode of assembly of the world's most diverse, tropical floras remain poorly known. Evolutionary relationships within pantropical plant clades such as Connaraceae (Oxalidales, ca. 220 species) offer an opportunity to address this issue.
Serafin J.R. Streiff, Jurriaan M. de Vos
wiley   +1 more source

Promoção de educação ambiental em unidade de conservação [PDF]

open access: yes, 2014
TCC(graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Biológicas. Biologia.Este trabalho teve como objetivo promover a educação e sensibilização ambiental com alunos de 6ºs anos do ensino fundamental da Escola Básica Municipal ...
Amorim, Edmara de Fatima Napoleão de
core  

Structural and Functional Shifts in Belowground Components Following Grass Invasion in a Tropical Savannah

open access: yesJournal of Vegetation Science, Volume 37, Issue 2, March/April 2026.
Our study reveals that the belowground component of Cerrado savannahs invaded by Urochloa brizantha is functionally and structurally different from that of non‐invaded areas. Invaded areas were dominated by the invader's fine roots and rhizomes, with reduced bud bank density.
Letícia Giacom   +3 more
wiley   +1 more source

Os conflitos ambientais na estação ecológica de Caetés-PE

open access: yesEstudos de Sociologia, 2018
Este trabalho discute os processos que permitiram a constituição de um campo ambiental pela atuação de um movimento em defesa da mata de Caetés, originalmente surgido de bases populares, para evidenciar seus aspectos mais importantes que marcaram a ...
Emílio de Britto Negreiros
doaj   +1 more source

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