Results 31 to 40 of about 948,384 (220)
Trophic structure of fish fauna along the longitudinal gradient of a first-order rural stream
Acta Limnologica Brasiliensia, 2015 Aim: This study evaluated the trophic structure of the fish assemblage along the longitudinal gradient of a first-order rural stream. Methods Fish were sampled by electrofishing technique in December 2007, September 2008 and March 2009, at three stretch
Jardel Nimet +3 more
doaj +1 more source
Success of restoration strategies in preventing extirpation of 2 critically endangered coral species
Conservation Biology, EarlyView.Abstract An unprecedented marine heatwave in 2023 caused widespread coral bleaching and mortality throughout the Caribbean. In the Florida Keys (USA), 2 foundation species, elkhorn coral (Acropora palmata) and staghorn coral (Acropora cervicornis), were severely affected.
Erinn M. Muller +29 more
wiley +1 more source
El tráfico de influencias en la España franquista: decisiones públicas, beneficios privados
América Latina en la Historia Económica, 2012 En la España del primer franquismo, la política económica autárquica y el marco institucional intervencionista provocaron que los agentes económicos no se comportaran buscando la eficiencia económica, sino como buscadores de rentas.
Francisco Javier Fernández Roca
doaj
Mammalogy NotesLas lagunas de oxidación de Zaragoza son un sistema de tratamiento de agua residual de las Empresas Municipales de Cartago E.S.P. con un fragmento de Bosque Seco Tropical, donde se han implementado estrategias de manejo para mejorar la calidad del agua ...
Juan Manuel Betancourt-Torres +2 more
doaj +1 more source
La Historia, la vida y el volver a tropezar
Diálogos, 2008 En este artículo se pretende acentuar algunos aspectos que, en nuestra opinión, han contribuido a estancar la vida política, económica y social de Nicaragua.
Antonio Esgueva Gómez
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
Biodiversidad del Parque Nacional Pre-Delta (Entre Ríos, Argentina). I) Riqueza del fitoplancton
Lilloa, 2009 Mirande, V., S. E. Haleblian, G. A. Barreto & B. C. Tracanna. 2009. Biodiversidad del Parque Nacional Pre-Delta (Entre Ríos, Argentina). I) Riqueza del fitoplancton. Lilloa 46 (1-2).
Virginia Mirande +3 more
doaj
Acta Zoológica LilloanaDung beetles are considered a useful taxon to describe and to monitor spatial and temporal patterns of biodiversity. Tropical communities of dung beetles are usually diverse, abundant, and habitat specific; they respond quickly to many types of ...
Freddy Gallo +6 more
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Conservation Biology, EarlyView.Abstract Despite the crucial role of human impacts on biodiversity loss, many assessments of this loss focus on single metrics, such as species richness, and overlook the multidimensional effects of human activities. Because of its importance to ecosystem functioning, we investigated the functional diversity of medium‐ and large‐sized mammal ...
Xueyou Li +8 more
wiley +1 more source
Multifuncionalidad, escasez y riqueza territorial [PDF]
, 2007 The changes made in the ecosystems have contributed to obtain considerable benefits in the human well—being and the economic development. Nevertheless, these benefits have obtained with increasing of costs the degradation of many goods and services and ...
Cortés, Diana, Zulma-Roa, Juliana
core +1 more source