Results 31 to 40 of about 66,532 (214)

Assessing Spatiotemporal Side Effects of Diversionary Feeding on Mesopredators

open access: yesAnimal Conservation, EarlyView.
We tested whether diversionary feeding alters the space use, aggregation, or activity patterns of mesopredators using a treatment‐control design with camera traps. Although both species frequently used feeding stations, diversionary feeding did not significantly affect their spatial distribution, aggregation, or temporal behaviour.
Pablo Palencia   +5 more
wiley   +1 more source

A practical, adaptive compliance management framework for improving marine protected area effectiveness

open access: yesConservation Biology, EarlyView.
Abstract Noncompliance regularly undermines the effectiveness of marine protected areas (MPAs) worldwide. The reasons for and drivers of noncompliance depend on the context (e.g., insufficient funding, capacity, neocolonialism, historical conflict), but the prevalent solution offered to curtail noncompliance tends to be more or better enforcement.
B. Bergseth   +10 more
wiley   +1 more source

EL ESTUDIO DE LOS REPTILES MARINOS MESOZOICOS EN EL MUSEO DE LA PLATA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2022
El estudio de los reptiles marinos en Argentina en general, y desde el Museo de La Plata en particular, comenzó con breves descripciones realizadas por investigadores europeos.
Yanina Herrera, Marta S. Fernández
doaj   +1 more source

Report of the Inter-American Tropical Tuna Commission for the year 2008 [PDF]

open access: yes, 2010
ENGLISH: The Inter-American Tropical Tuna Commission (IATTC) operates under the authority and direction of a convention originally entered into by Costa Rica and the United States. The convention, which came into force in 1950, is open to adherence by

core  

Ecological and functional effects of habitat conversion and seasons on fruit‐feeding butterfly assemblages in tropical dry forests Efeitos ecológicos e funcionais da conversão do habitat e da sazonalidade sobre assembleias de borboletas frugívoras em florestas tropicais secas

open access: yesEcological Entomology, EarlyView.
Land‐use change and seasonality shape the taxonomic, functional and phylogenetic diversity of fruit‐feeding butterflies in tropical dry forests. Pastures reduce phylogenetic diversity and increase wing fluctuating asymmetry, while taxonomic and functional diversity is greater in the wet season than in the dry season.
João Rafael S. Macêdo   +8 more
wiley   +1 more source

Morphological shell variation of Zidona dufresnei (Caenogastropoda: Volutidae) from the Southwestern Atlantic Ocean

open access: yesMarine and Fishery Sciences, 2020
The volutid gastropod Zidona dufresnei is an important fishery resource from the Southwestern Atlantic Ocean. This species exhibits strong interpopulation differences in life history features, which lead to postulate the existence of two morphotype ...
Alonso I. Medina   +3 more
doaj   +1 more source

Selective Feeding by a Predatory Sea Star Across a Depth Gradient in Northern Patagonia, Chile

open access: yesFrontiers in Marine Science, 2021
Sea stars often function as keystone predators in food webs of intertidal and subtidal communities, especially in temperate and sub-polar regions. In South America the sea star Cosmasterias lurida is distributed along both the Atlantic and Pacific coasts
Ignacio Garrido   +7 more
doaj   +1 more source

Prehistoric Exploitation of Marine Resources in Southern Africa with Particular Reference to Shellfish Gathering: Opportunities and Continuities. [PDF]

open access: yes, 2010
Este artículo se centra en la discusión de tres casos de estudio en los cuales los recursos marinos desempeñaron un rol importante en el desarrollo humano del sur de África desde hace 164 ka.
Jerardino, Antonieta
core  

Evolución geológica en la cuenca baja del río Colorado durante el cenozoico, Patagonia Norte, Argentina [PDF]

open access: yes, 2019
Climatic changes and eustatic sea levels have been assumed to be the most important controllers of the Colorado River alluvial fan in northern Patagonia.
Perillo, Gerardo Miguel E.   +2 more
core   +2 more sources

Panama Canal expansion and shifts in fishing practices: A social‐ecological network approach

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1520-1532, May 2026.
Abstract Species introductions have spiked over the past two centuries due to globalization. These introductions impact ecosystems, but may also have long‐term implications for human communities. In one of the world's hubs for global shipping, the Panama Canal, a recent canal expansion has coincided with an increase in marine fishes entering the ...
Michelle Hübel   +10 more
wiley   +1 more source

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