نتایج جستجو برای: intertidal

تعداد نتایج: 5182  

     The family blenniidae comprises 58 genera and 406 species according to Eschmeyer and Fong (2018). Members of the family Blenniidae are small, scale-less and very agile fishes, inhabiting inshore, sub-tidal rocky substrata, and rock pools of the inter-tidal zone of tropical and sub-tropical marine waters (Randall, 1995). A few species are also reported from brackish and freshwaters (Hastin...

Journal: :Parasitology 2002
K N Mouritsen R Poulin

There is mounting evidence that parasites can influence the composition and structure of natural animal communities. In spite of this, it is difficult to assess just how important parasitism is for community structure because very few studies have been designed specifically to address the role of parasites at the community level, no doubt because it is difficult to manipulate the abundance of p...

1998
B. P. Horton

Foraminiferal assemblages have been collected from ten intertidal study areas situated on the east, south and west coasts of the UK. The assemblages display a vertical zonation which indicates that the distribution of foraminifera in these intertidal environments is usually the direct function of altitude with the duration and frequency of intertidal exposure the most important factors. Multiva...

2006
AMY L. MORAN

SYNOPSIS. Newly settled or hatched juveniles of marine benthic invertebrates generally experience very high mortality. Juvenile mortality can profoundly affect adult populations, but little is known about how individual variation in juvenile quality affects performance. Several recent studies have demonstrated that differences in size, larval nutrient stores, or larval feeding history can stron...

Journal: :journal of tethys 0

in order to microfacies studies of the cretaceous deposits, a section called korkouh was selected in kerman province in central iran area. the korkouh is on the bidou formation with angular unconformity and underlain by paleogene conglomerates with an erosional surface. the studied section basically contains lime and dolomitic limestone with the thickness of 146 meters with new fossils such as ...

2006
A. L. Bosman P. A. R. Hockey

Seabird guano is recognized as a powerful fertilizer and its entry into the intertidal zone of seabird breeding islands off the west coast of South Africa is hypothesized to cause enhanced intertidal algal production. Intertidal nutrient levels and algal production were measured monthly on the shores of seabird islands and on nearby mainland shores where no aggregabons of seabirds occur. The sh...

Journal: :iranian journal of science and technology (sciences) 2015
n. abbassi

early triassic carbonate ramp sediments of the lower part of the elika formation are known as vermicular limestone. in the moro mountain, northwest iran, the vermicular limestone includes bioturbated dolomitic mudstone, bioclastic packstone and grainstone, algal calcirudite and intraclastic grainstone. these sediments accumulated in their lower part in open marine subtidal and shoal environment...

2007
Deborah J. Shafer Timothy D. Sherman Sandy Wyllie-Echeverria

Photosynthetic processes in Zostera japonica, an upper intertidal species, were found to be more severely affected by desiccation than Z. marina, a lower intertidal and subtidal species, at comparable levels of tissue water content. The data indicate that photosynthetic responses to desiccation at the level of the individual leaf are insufficient to explain observed patterns of intertidal seagr...

2004
Yusuke UCHIYAMA

A wetting and drying scheme (WDS) is developed to incorporate into a three-dimensional sigmacoordinate coastal ocean model (POM; Blumberg and Mellor, 1983) with proposing an extended logarithmic profile within and above bed boundary layers to accurately simulate 3D hydrodynamics in extremely shallow coastal seas. While the WDS is simplistically formulated, it can selectively retain the computat...

2013
Mitch Bryson Matthew Johnson-Roberson Richard J. Murphy Daniel Bongiorno

Intertidal ecosystems have primarily been studied using field-based sampling; remote sensing offers the ability to collect data over large areas in a snapshot of time that could complement field-based sampling methods by extrapolating them into the wider spatial and temporal context. Conventional remote sensing tools (such as satellite and aircraft imaging) provide data at limited spatial and t...

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