Results 31 to 40 of about 55,003 (231)
Revista Biológico Agropecuaria Tuxpan, 2014 Para el 2011 el estado de Veracruz contaba con 3,963,610 cabezas de ganado, posicionándose como el principal productor de ganado bovino del país, una ganadería que se desarrolla principalmente bajo el sistema extensivo y que al ir necesitando mayores ...
Carlos Nahin Castro José +2 more
doaj +1 more source
Radiocarbon reservoir ages and hardwater effect for the northeastern coastal waters of Argentina. [PDF]
, 2008 Accelerator mass spectrometry (AMS) radiocarbon dates were obtained for 18 mollusk shells collected alive along the Buenos Aires province coast, Argentina, over the period AD 1914–1935.
Aguirre, Marina Laura +3 more
core +2 more sources
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 +1 more
openaire +2 more sources
Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2021 A conversão de florestas em pastagens modifica o ambiente e a disponibilidade de microhabitats e de recursos. A serapilheira muda de amontoados de folhas de espécies florestais para amontoados de gramíneas com baixo valor nutricional.
Lucas Ferreira Colares
doaj +1 more source
Representation of obligate groundwater‐dwelling copepod diversity in European protected areas
Conservation Biology, EarlyView.Abstract Groundwaters sustain diverse surface ecosystems and are populated by metazoan species, mostly invertebrates, that provide fundamental ecological functions and are often of prominent conservation value due to narrow endemism and high phylogenetic rarity.
Francesco Cerasoli +7 more
wiley +1 more source
A new deep-sea pennatulacean (Anthozoa: Octocorallia: Chunellidae) from the Porcupine Abyssal Plain (NE Atlantic) [PDF]
, 2010 During the BENGAL cruises, an important collection of deep-sea benthic organisms was sampled. Among the pennatulacean colonies, a previously undescribed species of chunellid was collected.
López González, Pablo José +1 more
core +2 more sources
Advancing conservation breeding programs for marine invertebrates
Conservation Biology, EarlyView.Abstract In the face of ecosystem change and biodiversity loss caused by climate change and other stressors, conservation breeding, or captive breeding, with the aim of reintroduction for wild population recovery, is an emerging tool for preventing species’ extinction and rehabilitating ecosystems.
Elora H. López‐Nandam +3 more
wiley +1 more source
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
Bivalvia, Veneroidea, Corbiculidae, Corbicula largillierti (Philippi, 1844): New distribution record in the Del Valle Central basin, Catamarca Province, Argentina [PDF]
, 2013 Corbicula largillierti (Philippi 1844), an invasive freshwater bivalve, accidentally reached Argentina from Asia presumably in the 1960s. Since then, records of its presence from the Rio de la Plata River to the northeast and northwest Argentinian ...
Reyna, Paola Beatriz, Torre, Luciana
core +2 more sources
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 +7 more
wiley +1 more source