نتایج جستجو برای: rocky shores
تعداد نتایج: 8872 فیلتر نتایج به سال:
We examine global patterns of benthic macroinvertebrate biomass and its distribution among functional feeding guilds in marine intertidal cOnmlunities. Variation in ash-free dry biomass was related to physical variables (mean annual air and water temperatures, sediment grain size, intertidal slope, tide range and type, wave height and exposure) by least-squares regression analysis of data for 3...
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Gastropod communities were investigated along two intertidal sandy and rocky shores in Qeshm Island, the northern Persian Gulf, IR Iran to identify the species of the family Cypraeidae. Monthly sampling was undertaken from May 2007 to April 2008 by haphazardly placing eighteen 0.25 m2 quadrates along two 30m wide transects located approximately 300m apart, perpendicular to the sea, in each sand...
rocky shores are one of the most important habitats of marine environment in coastal areas. they host marine organisms including seaweeds because of existence of strong and stable substrate for their growths. intertidal rocky shores are a prominent feature on coastal areas of qeshm island located at the northern part of strait of hormuz. in order to study biomass of seaweeds on rocky intertidal...
rocky shores are one of the most important habitats of marine environment in coastal areas. they host marine organisms including seaweeds because of existence of strong and stable substrate for their growths. intertidal rocky shores are a prominent feature on coastal areas of qeshm island located at the northern part of strait of hormuz. in order to study biomass of seaweeds on rocky intertidal...
to study the population structure of decapods in the intertidal zone of bushehr rocky shores, some random sample collection from four rocky and rubble shores of bushehr were done using a 50×50 quadrates sampling unit, in four successive seasons from autumn 2009 to summer 2010. totally 8 speciesbelonging to 5 family of decapods were identified and counted. in the whole course of sample collectio...
to study the population structure of decapods in the intertidal zone of bushehr rocky shores, some random sample collection from four rocky and rubble shores of bushehr were done using a 50×50 quadrates sampling unit, in four successive seasons from autumn 2009 to summer 2010. totally 8 speciesbelonging to 5 family of decapods were identified and counted. in the whole course of sample collectio...
The influence of physical factors on the trophic structure of rocky intertidal communities in the Cape of Good Hope was investigated by examining species composition and biomass on shores subject to different conditions of substratum, sea temperature and wave exposure. Biomass of herbivores on shores with an unstable substratum was particularly high while the sessile filter-feeders and algae we...
Barnacles are most important macro benthic population of Rocky shores that Amphibalanusimprovisus is a dominant invasive species of this group. Present study aims to define the number, biomass, coverage rate and to study the factors affecting on the distribution of this species in various parts of rocky shores of south Caspian Sea. Ten sampling stations were selected in the natural and artific...
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