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Provedor de dados:  ArchiMer
País:  France
Título:  Geographic patterns of biodiversity in European coastal marine benthos
Autores:  Hummel, Herman
Van Avesaath, Pim
Wijnhoven, Sander
Kleine-schaars, Loran
Degraer, Steven
Kerckhof, Francis
Bojanic, Natalia
Skejic, Sanda
Vidjak, Olja
Rousou, Maria
Orav-kotta, Helen
Kotta, Jonne
Jourde, Jerome
Pedrotti, Maria Luiza
Leclerc, Jean-charles
Simon, Nathalie
Rigaut-jalabert, Fabienne
Bachelet, Guy
Lavesque, Nicolas
Arvanitidis, Christos
Pavloudi, Christina
Faulwetter, Sarah
Crowe, Tasman
Coughlan, Jennifer
Benedetti-cecchi, Lisandro
Dal Bello, Martina
Magni, Paolo
Como, Serena
Coppa, Stefania
Ikauniece, Anda
Ruginis, Tomas
Jankowska, Emilia
Weslawski, Jan Marcin
Warzocha, Jan
Gromisz, Slawomira
Witalis, Bartosz
Silva, Teresa
Ribeiro, Pedro
Fernandes De Matos, Valentina Kirienko
Sousa-pinto, Isabel
Veiga, Puri
Troncoso, Jesus
Guinda, Xabier
Juanes De La Pena, Jose Antonio
Puente, Araceli
Espinosa, Free
Perez-ruzafa, Angel
Frost, Matt
Mcneill, Caroline Louise
Peleg, Ohad
Rilov, Gil
Data:  2017-05
Ano:  2017
Palavras-chave:  Soft sediment
Benthos
Species diversity
Densities
Harmonization of methods
European cline
Biogeography
Latitudinal diversity gradient (LDG)
Resumo:  Within the COST action EMBOS (European Marine Biodiversity Observatory System) the degree and variation of the diversity and densities of soft-bottom communities from the lower intertidal or the shallow subtidal was measured at 28 marine sites along the European coastline (Baltic, Atlantic, Mediterranean) using jointly agreed and harmonized protocols, tools and indicators. The hypothesis tested was that the diversity for all taxonomic groups would decrease with increasing latitude. The EMBOS system delivered accurate and comparable data on the diversity and densities of the soft sediment macrozoobenthic community over a large-scale gradient along the European coastline. In contrast to general biogeographic theory, species diversity showed no linear relationship with latitude, yet a bell-shaped relation was found. The diversity and densities of benthos were mostly positively correlated with environmental factors such as temperature, salinity, mud and organic matter content in sediment, or wave height, and related with location characteristics such as system type (lagoons, estuaries, open coast) or stratum (intertidal, subtidal). For some relationships, a maximum (e.g. temperature from 15–20°C; mud content of sediment around 40%) or bimodal curve (e.g. salinity) was found. In lagoons the densities were twice higher than in other locations, and at open coasts the diversity was much lower than in other locations. We conclude that latitudinal trends and regional differences in diversity and densities are strongly influenced by, i.e. merely the result of, particular sets and ranges of environmental factors and location characteristics specific to certain areas, such as the Baltic, with typical salinity clines (favouring insects) and the Mediterranean, with higher temperatures (favouring crustaceans). Therefore, eventual trends with latitude are primarily indirect and so can be overcome by local variation of environmental factors.
Tipo:  Text
Idioma:  Inglês
Identificador:  https://archimer.ifremer.fr/doc/00376/48675/49010.pdf

DOI:10.1017/S0025315416001119

https://archimer.ifremer.fr/doc/00376/48675/
Editor:  Cambridge Univ Press
Formato:  application/pdf
Fonte:  Journal Of The Marine Biological Association Of The United Kingdom (0025-3154) (Cambridge Univ Press), 2017-05 , Vol. 97 , N. 3 , P. 507-523
Direitos:  Marine Biological Association of the United Kingdom, 2016

info:eu-repo/semantics/openAccess

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