Soft bottom macro fauna species composition in Faroese fjords Botndýr í bleytbotni á føroyskum firðum

##plugins.themes.bootstrap3.article.main##

##plugins.themes.bootstrap3.article.sidebar##

Published Dec 31, 2007
Jan Sørensen Jógvan F. Hansen Regin Joensen

Abstract

Úrtak

Sjálvt um reiðiliga nógv vísindaligt tilfar er almannakunngjørt um ryggleysu dýrini á botni á føroyskum sjóøki, so hevur djóranøgdin verið rættiliga lítið viðgjørd. Hetta hevur stóran týdning, tá ið metast skal um, um nakrar broytingar fara fram.

Havlívfrøðiliga royndarstøðin hevur tey seinastu fimm til tíggju árini gjørt botnkanningar á føroyskum firðum, og úrslitini í hesi grein byggja á 63 grabbasýni, sum eru tikin úr 10 ymiskum støðum í Føroyum. Sýnini eru øll 0,1 m2, og fevnir tilfarið um sand, silt og leir og blandingar av teimum.

Í greinini verður hvør einstøk støð lýst við knattstøðu, botntilfari, grabbanøgd, dýpi, Shannon-fjølbroytnistali, Pielou-javnleikatali, ES100, býti av størru djórabólkunum í prosentum og einum lista við fimm
teimum vanligastu djórasløgunum í sýninum. 

Abstract

Although a fair amount of papers are published about benthic invertebrates in Faroese waters surprisingly little is published about the abundance of the animals. Abundance is important information when changes in the benthic environment have to be evaluated.

For the last 5-10 years Kaldbak Marine Biological station has put a lot of effort in shallow water investigations as part of environmental impact assessments and monitoring. Sixty three grab samples are included in the present paper and these were taken from ten differentlocalities in the Faroe Islands. The samples are all grab samples of 0.1 m2, and the encountered sediments are sand, silt and clay and mixtures of these.

In this paper each station is described with information on position, type of sediment, volume of the sample, depth, Shannon diversity index, Pielou evenness index, ES100, percentage of the major marine invertebrate groups, and a list of the five most frequent species from each sample.

Abstract 27 | pdf Downloads 21

##plugins.themes.bootstrap3.article.details##

Section
Natural Sciences