Rocky Intertidal
Microhabitat segregation in three rocky intertidal fish species in Portugal: Does it reflect interspecific competition?
... of rocky intertidal fish communities have taken a number of major ...rock intertidal fish assemblages (Thomson & Lehner, 1976; Grossman, 1982, 1986; Yoshiyama et ...shape rocky ...
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Variation and resilience of rocky intertidal fish in western Portugal
... It is possible that, in general, fewer fish predators are found in the rocky intertidal zone than in coral reefs (Gibson 1988), allowing for greater fish mobility, but s[r] ...
7
Homing in rocky intertidal fish. Are Lipophrys pholis L. able to perform true navigation?
... marine intertidal zone, fishes from the families Gobiidae and Blenniidae are believed to have a good sense of geographic position (Almada et ...in intertidal pools, they tend to use a limited number of ...
9
Patterns of spatial distribution and behaviour of fish on a rocky intertidal platform at high tide
... an intertidal fish assemblage on a rocky intertidal platform in the south of Portugal during high ...high intertidal, Lipophrys pholis and Coryphoblennius galerita were especially abundant in ...
10
Exploitation of rocky intertidal grazers : population status and potential impacts on community structure and functioning
... by intertidal limpets ...the rocky inter- tidal areas resulted in an increase of fissurelid limpets and a concomitant decrease of algae ...the rocky inter- tidal does not differ between insular and ...
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The role of Asterina stellifera (Echinodermata: Asteroidea) as a predator in a rocky intertidal community in southern Brazil
... The rocky intertidal community comprised 32 species (26 of which were sessile), and none showed a trend due to the increase in the number of predatory starfish, ...the rocky intertidal commu- ...
9
Rocky intertidal community structure in oceanic islands : scales of spatial variability
... ABSTRACT: There is a clear bias in the literature on island ecology towards terrestrial rather than marine systems, which have remained comparatively poorly studied. Marine populations are typi- cally open, and local ...
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Temporal variation of rocky intertidal resident fish assemblages – patterns and possible mechanisms with a note on sampling protocols
... Most studies so far, have not demonstrated interspecific competition for food or shelter (e.g. Gibson, 1972; Koppel, 1988; Mayr and Berger, 1992), or any other effect of species domination, although it must be recognized ...
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Succession in Rocky Intertidal Benthic Communities in Areas with Different Pollution Levels at Guanabara Bay (RJ-Brazil)
... 2) Catalão - natural rocky shore in the west part of the Bay at Fundão Island. This region presents an advanced stage of deterioration with a high level of eutrophication (Kjerfve et al., 1997). This area is very ...
15
Influence of a breakwater on nearby rocky intertidal community structure
... the inner part is used as an anchorage point harbouring small fish- ing and recreational boats. Due to high wave action in winter, an already existing, but small, breakwater was extended 100 m off- shore towards the ...
10
Genetic structure among 50 species of the northeastern Pacific rocky intertidal community.
... low intertidal habitats, and as a result very low per capita migration rates might result in moderate or high levels of total gene flow (typically measured as the population size times the per capita migration, ...
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Patterns of distribution in intertidal rocky shores: the role of grazing and competition in structuring communities
... The usefulness of a functional group approach in helping to understand the mechanisms behind observed patterns in plant/herbivore interactions, namely between algae and molluscs, have been demonstrated in several studies ...
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Patterns of spatial variation of assemblages associated with intertidal rocky shores: a global perspective.
... of intertidal rocky ...associate intertidal rocky shore assemblage structure at a global scale with anthropogenic variables, although a global pervasive effects of human has been predicted for ...
10
Vascular function in arteries of intertidal fish
... Intertidal fish represent a complex organism tolerant to extreme conditions in the microhabitats of pools during low tide. Girella laevifrons is the most abundant fish species inhabiting the rocky ...
5
Caracterização da ictiofauna de intertidal rochoso na costa sul de Portugal
... de intertidal que passa todo o seu ciclo de vida, desde recruta a adulto, nas poças de maré, sendo que apenas uma percentagem de machos adultos abandona as poças na época de reprodução para guardar os ovos em ...
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Morphometric variation in two intertidal littorinid gastropods
... lower intertidal. Ecotypic variation of the shell of littorinids in rocky shores is related to wave action, desiccation risk and predation by crabs (Johannesson et ...
12
Mercury dynamics in the Rocky Mountain, Colorado, snowpack
... Observations of photolytic GEM production in surface snow and GEM destruction in deeper snow layer led us to investigate the possibility of a net transfer of mercury from upper to lower [r] ...
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Adavantages of using UAVs data to study rocky coasts geomorphology: the case study of the são paio rocky littoral, Portugal
... the rocky sector of São Paio obtained with these new data, it is assumed that the acquisition of data from this costal environment constitutes an important technique to apply in the studies of rocky coasts, ...
5
Caracterização e cartografia da fauna intertidal das praias rochosas de Matosinhos
... Os recursos marinhos têm ganho uma crescente atenção, pela elevada importância na economia de países costeiros. Nos últimos anos tem-se verificado um crescente reconhecimento da importância destes recursos e, ...
134
Diversity and turnover in a rocky shore intertidal community of an upwelling region (Arraial do Cabo, Brazil)
... an intertidal macroalgal assemblage at Prainha Beach, Arraial do Cabo City in Rio de Janeiro state, ...upper intertidal zone, the coverage was frequently dominated by ...the intertidal zone, a ...
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