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Showing 1 to 20 of 26 for “"Biotopes"”.
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Spartial distribution of cyanobacterial phylotypes in Antarctic Dry Valley soil biotopes
… of cyanobacterial diversity from diverse biotopes. In this investigation, 16s rDNA analysis and DGGE profiling were used to study the diversity of cyanobacteria along a transect of increasing altitude in the Miers Valley, Eastern Antarctica..."
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ΣΥΣΤΗΜΑΤΙΚΗ ΚΑΙ ΟΙΚΟΛΟΓΙΚΗ ΜΕΛΕΤΗ ΤΩΝ ΔΙΑΤΟΜΩΝ ΤΩΝ ΛΙΜΝΟΘΑΛΑΣΣΩΝ ΜΕΣΟΛΟΓΓΙΟΥ, ΑΙΤΩΛΙΚΟΥ ΚΑΙ ΚΛΕΙΣΟΒΑΣ
… OF THE ECOLOGICAL RELATIONSHIPS OF THE VARIOUS BIOTOPES. TAKING ADVANTAGE OF THIS INFORMATION, A FUTURE RESEARCH PROGRAM ON THE ECOSYSTEM DEVELOPMENT AND MONITORING IS PROMISING. ON THE BASIS OF THESE DATA, THE ECOSYSTEM IN QUESTION CAN BE DISTINGUISHED INTO THREE "TYPES"OF BIOTOPES: A) BIOTOPES …
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Distribution of epifauna in offshore benthic environments along the west and south coast of South Africa
… A group average linkage cluster analysis defined biotopes using significant branching (p< 0.05). Biotopes were compared against the 2012 National Biodiversity Assessment (NBA) benthic habitat map to investigate whether epifaunal biotopes identified, align with the existing classification. A …
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ΕΡΕΥΝΕΣ ΕΠΙ ΤΩΝ ΒΕΝΘΙΚΩΝ ΜΑΚΡΟΦΥΚΩΝ (CHLOROPHYCEAE, PHAEOPHYCEAE, RHODOPHYCEAE) ΤΟΥ ΚΟΡΙΝΘΙΑΚΟΥ ΚΟΛΠΟΥ. ΧΛΩΡΙΔΙΚΗ, ΤΑΞΙΝΟΜΙΚΗ, ΦΥΤΟΓΕΩΓΡΑΦΙΚΗ, ΟΙΚΟΛΟΓΙΚΗΜΕΛ...
… WAVING) AND ECOLOGICAL PARAMETERS OF THE BIOTOPES INVESTIGATED -PH, O2, SALINITY, DENSITY, TEMPERATURE, PO4-P, NH3-N, NO2-N, NO3-N- ARE CITED IN THE THIRD CHAPTER. THE NEXT CHAPTER COMPRISES THE ZONATION - TERMINOLOGY IN THE LITTORAL AREAS OF GREECE WHILE THE FIFTH ONE DESCRIBES THE …
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ΟΙΚΟΛΟΓΙΑ ΕΔΑΦΙΚΩΝ ΑΡΘΡΟΠΟΔΩΝ ΝΗΣΙΩΤΙΚΩΝ ΟΙΚΟΣΥΣΤΗΜΑΤΩΝ ΦΡΥΓΑΝΙΩΝ ΚΑΙ ΥΠΟΒΑΘΜΙΣΜΕΝΟΥ ΜΑΚΙ (Ν. ΝΑΞΟΣ-ΚΥΚΛΑΔΕΣ)
… OF THE COMMUNITIES OF SOIL ARTHROPODS IN THE TWO BIOTOPES OF MAQUIS AND PHRYGANA ON THE ISLAND OF NAXOS IN THE CYCLADES (1984-87). THE STUDY OF THE STRUCTURE WAS BASED ON THE TEST: 1) OF THEIR NATURAL STRUCTURE, I.E. THEIR HORIZONTAL AND VERTICAL DISTRIBUTION, AS WELL AS THEIR PHENOLOGY DURING …
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Macroinvertebrates associated with macrophytes in Sodwana Bay : with further consideration of amphipod taxonomy
… communities in Sodwana Bay. Macroalgal biotopes were selected to focus sampling. Macroinvertebrates, macrophytes and sediment were collected from forty-five 25 x 25 cm quadrats.
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New approaches to understanding functional traits and butterfly responses to environmental changes in Europe
… of species, associated with distinct broad biotopes, is identified. These differ in measures of conservation concern. A group of small arboreal species may be especially vulnerable to environmental change. These could be used as indicators of changes in the status of species in structurally …
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Composição, distribuição e abundância da ictiofauna da Baía da Ilha Grande (Rio de Janeiro - Brasil)
… in four communities, according the main biotopes found in the region. It was observed evidences of seasonal movements of pleuronectiform fishes, which seems ocupy mostly the bay inner areas in spring-summer period, and the outer ones during winter. The other fish commercial kinds come in …
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ΦΥΤΟΚΟΙΝΩΝΙΟΛΟΓΙΚΗ ΜΕΛΕΤΗ ΕΠΙ ΤΗΣ ΒΛΑΣΤΗΣΕΩΣ ΤΟΥ ΔΕΛΤΑ ΤΟΥ ΠΟΤΑΜΟΥ ΕΒΡΟΥ (ΑΙΝΙΣΙΟ ΔΕΛΤΑ)
… ARE STRONGLY CONNECTED WITH THE FOUR BASIC BIOTOPES OF THE AREA, WHICH ARE A) DRIFT LINE, B) SAND DUNES, C) SALT MARSHES, AND D) THE WATERS. THE HUMIDITY AND THE SALINITY WERE THE MOST SIGNIFICANT SOIL-FACTORS. ALSO, THERE WAS AN INFLUENCE FROM THE EAST IN THE VEGETATION OF THE AREA.
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Aspectos da alimentação do pacu adulto, Colossoma mitrei (Berg, 1895) (Pisces, Characidae), no Pantanal de Mato Grosso
… and the availability of food in the different biotopes studied. The stomachs contained both plant and animal food. The predomination of plant items in the diet of this species characterized it as being mainly herbivorus, although its diet did include secondary items such as fish, crustaceans …
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Terrestrial-aquatic transfers by hippopotamus (Hippopotamus amphibius): effects on food web and benthic community structure of the St Lucia Estuary, iSimangaliso Wetland Park, World Heritage Site, South Africa
… metrics and that food web components in biotopes with contrasting hippo numbers would differ in isotopic and fatty acid signatures. Results from experiments revealed that effects of hippo dung on benthic assemblages were assemblage specific. Microphytobenthic biomass was reduced by up to …
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Laimo boreliozės epidemiologiniai dėsningumai Lietuvoje 1995-2006 metais /
… Ixodes ricinus nymphs collected from different biotopes was determined. This study succeeded to detect until now not detected in Lithuania Borrelia miyamotoi belonging to relapsing fever group. The study results showed that nymps’ infectivity in Lithuania is 14.8%. The climatic (air temperature …
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Hydromorphological evolution of a restored river; a case study in the Upper River Eden catchment
… Results show an increase in the diversity of biotopes present within the restored reach, transitioning from a run dominated river system. Bed shear stress was investigated across the reach to determine levels of entrainment with the majority of the reach subject to bed shear stress above the …
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ΕΡΕΥΝΕΣ ΕΠΙ ΚΥΑΝΟΦΥΚΩΝ ΕΔΑΦΟΥΣ ΠΕΡΙΟΧΩΝ ΤΗΣ ΕΥΒΟΙΑΣ. ΤΑΞΙΝΟΜΙΚΗ, ΧΛΩΡΙΔΙΚΗ ΦΥΤΟΓΕΩΓΡΑΦΙΚΗ, ΟΙΚΟΛΟΓΙΚΗ ΜΕΛΕΤΗ
… OF THE MATERIAL, AS WELL AS THE INVESTIGATED BIOTOPES WITH THEIR CYANOPHYTA VEGETATION ARE GIVEN IN DETAIL. 112 TAXA OF CYANOPHYTA ARE STUDIED FROM THE TAXONOMICAL, ECOLOGICAL AND THE PHYTOGEOGRAPHICAL POINT OF VIEW; 30 TAXA CAN BE CONSIDERED OF LIMITED WORLD DISTRIBUTION. DEVIATIONS OF THE …
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Ecological restoration of abandoned agricultural land : an evaluation of socio-economic feasibility
… land lie adjacent to ecologically important biotopes. fa the last decades, agricultural land in Gozo has been abandoned due to both socio-economic and environmental factors, leading to land degradation. The option of restoring such land for ecological purposes was explored in this study. …
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Bioturbation in Supratidal Carbonates: Georadar Characterization of the Patterns and Structure of Decapod Burrows
… decapod species inhabiting adjacent coastal biotopes on San Salvador Island. Extensive (>2 km) 800 MHz georadar surveys captured a diverse suite of >120 burrows of ghost (Ocypode quadrata), blackback (Gecarcinus lateralis) and blue (Cardisoma guanhumi) land crabs. Site-specific …
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Baseline surveys and metal binding proteins as metal pollution indicators
… in Southern African coastal water, sediments and biotopes, and by a comparative baseline study of organisms from Gough Island and Mar ion Island. These showed that extrapolation of results from one geographical area to another are invalid and that this interpretation is made difficult by factors …
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Contribution méthodologique à l'évaluation de la qualité des eaux des revières à l'aide des macrophytes aquatiques(spermatophytes et bryophytes) - Application au réseau hydrographique luxembourgeois-
… de l’Oesling et du Gutland. Une typologie des biotopes riverains a été dégagée sur base de ces valeurs bioindicatrices. Le déterminisme de la richesse des sols riverains a été envisagé dans sa composante naturelle Oesling-Gutland, ainsi que dans sa composante anthropique.
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The structure of pelagic seabird assemblages in the African sector of the Southern Ocean
… of the distribution of peculiar oceanic biotopes and prey populations in the African sector of the Southern ocean. The hypothesis examined was that the distribution and abundance of seabirds are non-random and predictable with respect to the availability of prey at the sea-surface. The …
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Spontaneous succession of riparian vegetation and aquatic macroinvertebrates along the Silvermine River, South Africa, after fire and clearing of exotic plant species
… These were the state of the physical habitats (biotopes) available to aquatic organisms, changes in the community composition of riparian vegetation, and changes to aquatic macroinvertebrate assemblages present in the river. Data were collected during two successive summer-sampling periods (200 …
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