Results 51 to 60 of about 5,114 (181)

Patch and Landscape Predictors of Mammal Diversity and Their Trait‐Relationships in the Largest Atlantic Forest Island in Brazil

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
Urbanization and habitat fragmentation reshape mammal communities on Santa Catarina Island, one of the largest Atlantic Forest islands in Brazil. Using camera traps across protected forest patches, we show that species richness declines with urban and unvegetated matrices, while abundance increases in smaller and more isolated fragments dominated by ...
Camila Rezende Ayroza   +6 more
wiley   +1 more source

Dolphin-Watching Boats Affect Whistle Frequency Modulation in Bottlenose Dolphins

open access: yesFrontiers in Marine Science, 2021
Bottlenose dolphins’ whistles are key in social communication, conveying information about conspecifics and the environment. Therefore, their study can help to infer habitat use and identify areas of concern due to human activities.
Betzi Perez-Ortega   +9 more
doaj   +1 more source

Redescription of Hypoptopoma inexspectata (Holmberg, 1883), with notes on its anatomy (Siluriformes: Loricariidae). [PDF]

open access: yes, 2001
Hypoptopoma inexspectata is diagnosed and redescribed based on the examination of additional material and comparison with its congeners. This poorly known hypoptopomine species is distributed in the Paraguay and Paraná river draínages.
Aquino, Adriana E.   +1 more
core   +1 more source

Assisted recovery of tissue loss in massive corals Orbicella faveolata: an alternative conservation tool for restoring damaged colonies

open access: yesRestoration Ecology, Volume 34, Issue 3, March 2026.
Abstract Introduction Coral reefs, vital for marine ecosystems and human well‐being, face drastic decline due to climate change effects. In the Caribbean, global disturbances and regional water pollution exacerbate conditions, eliciting disease outbreaks that, in synergy with coral bleaching and hurricanes, cause significant damage to key reef‐building
J. J. Adolfo Tortolero‐Langarica   +2 more
wiley   +1 more source

Growth performance and gene expression of FAS, CPT1, G6P, and HK in juveniles of the freshwater prawn, Macrobrachium acanthurus, fed diets with different levels of protein, lipids, and carbohydrates

open access: yesJournal of the World Aquaculture Society, 2023
A feeding trial with Macrobrachium acanthurus juveniles was performed to determine growth performance and utilization of diets varying in protein, lipid, and carbohydrate level.
Susana Alejandra Frías Gómez   +3 more
doaj   +1 more source

Echinoderm research perspectives: A Central American bibliometric review

open access: yesCuadernos de investigación UNED, 2021
Introduction: Central America, a narrow strip of land dividing the Atlantic and Pacific oceans, has a high diversity of marine and terrestrial species. Echinoderms are one of the most diverse marine groups with 420 reported species.
Juan José Alvarado   +1 more
doaj   +1 more source

Seascape Genomics Uncovers Genomic Patterns Shaped by Temperature and Salinity Outlier Loci in Dolphinfish (Coryphaena hippurus Linnaeus, 1758) Across the Atlantic Ocean and Mediterranean Sea

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.
ABSTRACT In this study, we explored the population genetic structure and its relation to environmental adaptations of the dolphinfish (Coryphaena hippurus) in the western Atlantic Ocean and Mediterranean Sea. Although previously two populations within the Mediterranean Sea were identified, recent evidence suggests more complex structuring.
Verónica Mendoza‐Portillo   +6 more
wiley   +1 more source

Effects of Submerged Macrophytes on Demography and Filtration Rates of Daphnia and Simocephalus (Crustacea: Cladocera)

open access: yesPlants
Macrophytes and cladocerans represent the main antagonistic groups that regulate phytoplankton biomass; however, the mechanism behind this interaction is unclear.
Cristian A. Espinosa-Rodríguez   +6 more
doaj   +1 more source

The challenge of achieving no net loss in the forests of central Africa [PDF]

open access: yes, 2015
The Tri-National Dja - Odzala - Minkebe Forest landscape (TRIDOM) covers 178000 km2 across the borders of Cameroon, Gabon and the Republic of Congo. Almost 97% is covered by sparsely populated lowland tropical rainforest and is globally important for the
De Wachter, Pauwel   +4 more
core  

Simulating climate change scenarios established by the Intergovernmental Panel on Climate Change in aquatic mesocosms

open access: yesLimnology and Oceanography: Methods, Volume 24, Issue 2, February 2026.
Abstract Climate change poses a major threat to ecosystems worldwide, with temperature changes being a key driver of ecological disruption in aquatic environments due to the limited ability of many aquatic species to relocate in response. Despite advances in aquatic experimental approaches to temperature control, most studies rely on simplified warming
Tauany Rodrigues   +5 more
wiley   +1 more source

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