Amphipoda assemblages in a disturbed area (Alicante, Spain, Western Mediterranean)
| Autor: | Yoana Del-Pilar-Ruso, José Luis Sánchez-Lizaso, Jose Antonio de-la-Ossa-Carretero, Francisca Gimenez-Casalduero |
|---|---|
| Přispěvatelé: | Universidad de Alicante. Departamento de Ciencias del Mar y Biología Aplicada, Biología Marina, Recursos Hídricos y Desarrollo Sostenible |
| Jazyk: | angličtina |
| Rok vydání: | 2016 |
| Předmět: |
0106 biological sciences
Mediterranean climate Amphipoda 010501 environmental sciences Aquatic Science 01 natural sciences Benthos Mediterranean sea Mediterranean Sea Organic matter Zoología Ecology Evolution Behavior and Systematics 0105 earth and related environmental sciences Trophic level chemistry.chemical_classification Oedicerotidae Ecology biology 010604 marine biology & hydrobiology biology.organism_classification Pollution Salinity Geography Oceanography chemistry Iberian Peninsula |
| Popis: | The distribution and composition of Amphipoda assemblages were analysed off the coasts of Alicante (Spain, Western Mediterranean), a disturbed area affected by several co-occurring anthropogenic impacts. Although differences among sampled stations were mainly related to natural parameters, anthropogenic activities were linked with changes in amphipod assemblages. Expansion of the Port of Alicante, a sewage outfall and a high salinity brine discharge could be causing the disappearance of amphipods at stations closer to these disturbances. However, the completion of port enlargement works and mitigatory dilution of the brine discharge has led to the recovery of the amphipod assemblage. Among the natural parameters, depth determines the distribution of some of the species. While Siphonoecetes sabatieri was abundant at shallow stations, Ampelisca spp., Photis longipes, Pseudolirius kroyeri, Apherusa chiereghinii and Phtisica marina were more abundant at deeper stations. Grain size and percentage of organic matter also influenced amphipod distribution, resulting in changes in species composition and in the relative percentages of different trophic groups. Species such as Ampelisca brevicornis, Perioculodes longimanus, Urothoe hesperiae and Urothoe elegans were more abundant at stations with a high content of fine sand. Carnivorous species, mainly of the Oedicerotidae family, were more abundant at those stations with a low organic matter content, while detritivorous species were more abundant at stations with a higher mud content. Among 62 identified species, three were reported for the first time from the Spanish Mediterranean coast, two species were recorded for the second time and a new species of Siphonoecetes was found, Siphonoecetes (Centraloecetes) bulborostrum. These results confirm the need for further data on amphipods from the Mediterranean Spanish coast. We gratefully acknowledge Mancomunidad de los Canales de Taibilla for the financial contribution to the sampling survey. |
| Databáze: | OpenAIRE |
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