Results 41 to 50 of about 11,195 (217)

Invertebrados marinhos como biomarcadores de fármacos

Scientific Electronic Archives, 2021
Os ecossistemas de uma forma geral vêm sofrendo um crescente aumento no processo de contaminação por poluentes e fármacos oriundos de atividades agrícolas, urbanas e industriais. A mensuração dos principias contaminantes no meio ambiente depende de vários fatores, onde a principal preocupação é com os efeitos que essas substâncias e medicamentos podem ...
Eduardo Gomes Da Silva, Maria Claudia Colla Ruvolo Takasusuki   +1 more
openaire   +2 more sources

Las comunidades de mitilidos del mediolitoral rocoso del departamento de Lima

Revista Peruana de Biología, 2014
Se estudiaron 34 muestras de los conglomerados de mitilidos de la zona medio litoral rocosa del Departamento de Lima, (10°45'38"S a 12°57'39"S), tomadas periódicamente, entre junio y noviembre de 1972.
Carlos Paredes, Juan Tarazona
doaj   +1 more source

Introduced dung beetles suppress methane emissions from cattle dung and alter the temporal dynamics of greenhouse gas flux Los escarabajos peloteros introducidos suprimen las emisiones de metano del estiércol de ganado y alteran la dinámica temporal del flujo de gases de efecto invernadero Besouros coprófagos introduzidos suprimem as emissões de metano do esterco bovino e alteram a dinâmica temporal do fluxo de gases de efeito estufa

Ecological Entomology, EarlyView.
Dung beetles suppressed cumulative methane flux from cattle dung by 85% and reduced total greenhouse gas emissions by 18%. Beetle activity accelerated initial CO2 release but did not alter total cumulative flux. N2O and NH3 fluxes were transient and not consistently driven by beetle presence.
Jean Holley, Martin Brummell, Nigel R. Andrew   +2 more
wiley   +1 more source

A new endemic pearl cichlid of the ‘Geophagus’ brasiliensis (Cichliformes: Cichlidae) species group from the Piranga River, upper Doce River basin, southeastern Brazil

Journal of Fish Biology, EarlyView.
Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
Cidimar E. de Assis, Jorge A. Dergam, Amanda F. Cunha, Valéria N. Machado, Tomas Hrbek, Natállia M. de F. Vicente, Victor de Queiroz, Elisabeth Henschel   +7 more
wiley   +1 more source

Egg‐Carrying and Cheliceral Comb in Ibaloniinae Harvestmen From the Solomon Islands (Opiliones: Podoctidae)

Austral Entomology, Volume 65, Issue 3, August 2026.
ABSTRACT Four new species of Ibaloniinae harvestmen are described from the Solomon Islands, Melanesia. Based on the original diagnosis of Euibalonius Roewer, 1915, and description of E. maculatus (Roewer, 1915), this material appeared related to that genus. However, examination of syntype photographs of the type species E.
Adriano B. Kury, Glauco Machado, Bruno A. Buzatto, Esau Kekeubata, Miguel Medrano   +4 more
wiley   +1 more source

Impacts of Climate Variability on Latin American Small-Scale Shellfisheries

Desenvolvimento e Meio Ambiente, 2014
Small-scale fisheries play a vital role in food security and poverty alleviation in Latin America. These fisheries are being increasingly threatened by anthropogenic and climatic factors acting at different spatial and temporal scales.
Omar Defeo, Mauricio Castrejón, Leonardo Ortega, Angela M. Kuhn, Anita de Álava   +4 more
doaj   +1 more source

Studies on Pygmy Grasshoppers: Bogotatettix Cadena‐Castañeda, García‐García & Tavares, gen. nov. (Orthoptera: Tetrigidae), a New Genus From the High Andean Forests and Páramos

Austral Entomology, Volume 65, Issue 3, August 2026.
ABSTRACT In this contribution to the study of pygmy grasshoppers, a new genus is described, which inhabits the high Andean forests and páramos surrounding the Bogotá Savannah, Colombia. Bogotattetix Cadena‐Castañeda, García‐García & Tavares, gen. nov. includes a new species, Bogotattetix chingazaensis Cadena‐Castañeda, García‐García & Tavares, sp. nov. 
Oscar J. Cadena‐Castañeda, Alexander García‐García, Ronald Fernando Quintana‐Arias, Juan Pablo Prias‐Sarmiento, Gustavo Costa Tavares   +4 more
wiley   +1 more source

Presence of amyloid protein in the yellow clam Amarilladesma mactroides (Reeve, 1854), an emerging species for aquaculture

AquaTechnica, 2021
Las proteínas amiloides son grupos proteicos que comprenden una superfamilia de apolipoproteínas altamente conservadas en vertebrados, estando implicadas en la modulación de numerosas respuestas inmunes durante infecciones, lesiones o estrés.
Juan Juan Silva Santos , Carlos Henrique Araujo de Miranda Gomes , Luis Alberto Romano   +2 more
doaj   +1 more source

Will the Mediterranean Sea Be a Cul‐de‐Sac for Marine Gastropods Under Climate Change?

Ecology and Evolution, Volume 16, Issue 6, June 2026.
Marine benthic gastropods remain understudied despite extensive historical records, limiting our understanding of their vulnerability to climate change. Using multi‐temporal species distribution models, we show that intermediate future climate conditions may trigger major habitat contractions for four key cowrie and frog‐shell species in the NE ...
Arianna Giannini, Chiara Mancino, Luigi Maiorano, Marco Oliverio   +3 more
wiley   +1 more source

Invertebrados marinos del Cretácico de la Antártida

, 2020
La vida en la Antártida un continente de tamaño semejante a América del Sur se concentra hoy marcadamente en una estrecha franja marina costera, que en verano tiene sitios libres de nieve, y en el inmediato mar circundante.
Olivero, Eduardo Bernardo
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