Listando por materia "Ecosistemes"
Mostrando ítems 1-9 de 9
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Anàlisi de la viabilitat de l'associació GC&NC i del projecte SafePinna
(2021-06)Actualment estem perdent molts dels ambients on viuen les espècies. El motiu principal és la gran quantitat d’impactes que les persones induïm sobre ecosistemes. Aquestes pressions tenen conseqüències ... -
Ecosistemes biològics depuradors: una solució per la contaminació d'aigües residuals provinent d'EDARs?
(2023-01)Els abocaments de fòsfor i nitrogen desmesurats als sistemes fluvials causen un impacte negatiu al medi aquàtic. L’excés d’aquests nutrients afavoreix l’aparició de zones eutròfiques on s’esgota tot ... -
Estudi de la influència antròpica en les poblacions de mamífers carnívors a Osona
(2020-06)Els mesocarnívors són espècies clau en el funcionament dels ecosistemes, i alhora són un dels grups més afectats per l’augment de la població humana i la urbanització, ja sigui per la persecució directa ... -
Fish-based indices in catalan rivers: Intercalibration and comparison of approaches
(2015)Freshwater ecosystems are among the most affected by anthropogenic disturbances, and fish have several advantages for monitoring them, such as the response at larger temporal and spatial scales and ... -
Home Bias in Innovation Ecosystems: Relying on Local Users for Knowledge
(2018)Innovation ecosystems enable small- and medium-sized enterprises to compete with innovations that include the knowledge of others. Integrating external knowledge in innovation is however a complex ... -
Missing effects of anthropogenic nutrient deposition on sentinel alpine ecosystems
(2014)Anthropogenic nitrogen (N) deposition affects unproductive remote alpine and circumpolar ecosystems, which are often considered sentinels of global change. Human activities and forest fires can also ... -
Nitrogen-Cycling Genes in Epilithic Biofilms of Oligotrophic High-Altitude Lakes (Central Pyrenees, Spain)
(2014)Microbial biofilms in oligotrophic environments are the most reactive component of the ecosystem. In high-altitude lakes, exposed bedrock, boulders, gravel, and sand in contact with highly oxygenated ... -
Rethinking study and management of agricultural systems for policy design
(2013)There is a concern that agriculture will no longer be able to meet, on a global scale, the growing demand for food. Facing such a challenge requires new patterns of thinking in the context of complexity ... -
Spatial patterns reveal strong abiotic and biotic drivers of zooplankton community composition in Lake My´vatn, Iceland
(2015)Spatial patterns in the abundance of species are determined by local abiotic and biotic conditions, and by the movement of individuals among localities. For species distributed among discrete habitat ...