37 976 jeux de données trouvés

      Type: jeu de données

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      • Understory woody plant diversity - Gros Morne Canada Open Gov jeu de donnĂ©es

        Intensive moose browsing appears to have led to a large reduction in woody plant abundance and diversity in Gros Morne National Park mature forests.This measure assess the... Read more
      • Salmonid counting fence - Gros Morne Canada Open Gov jeu de donnĂ©es

        Atlantic salmon are an ecologically and culturally important species in healthy aquatic systems of western Newfoundland. This measure determines the status and trend, over a 10... Read more
      • Estuarine Index of Biotic Integrity - Kouchibouguac Canada Open Gov jeu de donnĂ©es

        The Index of Biotic Integrity (IBI) is a valuable multi-metric approach to assess the integrity of fish assemblages in aquatic ecosystems. The purpose of the estuarine IBI... Read more
      • Inventory of active beaver colonies - Gros Morne Canada Open Gov jeu de donnĂ©es

        Beavers are important ecosystem architects, creating wetland habitats, thickets and meadows by damming streams and cutting down woody vegetation along stream banks. This measure... Read more
      • Forest bird biodiversity in winter - Gros Morne Canada Open Gov jeu de donnĂ©es

        Birds are an important component of the biodiversity of boreal forests and bird populations can serve as a useful measure of forest health. The monitoring of winter forest bird... Read more
      • Status of herb willow in late snowbeds - Gros Morne Canada Open Gov jeu de donnĂ©es

        Herb willow is dominant Arctic-alpine plant in snowbeds and, being a low-growing species, could potentially be crowded out if southern species colonise these sites. Herb willow... Read more
      • Advanced regeneration of balsam fir - Gros Morne Canada Open Gov jeu de donnĂ©es

        Overbrowsing of balsam fir saplings by introduced moose can lead to stand conversion to non-forest. The park measures the browse rates of fir saplings in mature forest stands,... Read more
      • Harlequin duck abundance - Gros Morne Canada Open Gov jeu de donnĂ©es

        In eastern Canada, Harlequin ducks are uncommon and are listed by COSEWIC as a species of special concern. Resident of fast flowing-rivers and streams during the breeding... Read more
      • Arctic hare population size - Gros Morne Canada Open Gov jeu de donnĂ©es

        On insular Newfoundland, the Arctic Hare reaches the southernmost limit of their distribution and are typically found in mountainous areas where elevation and climate have... Read more
      • Bog Dynamics - Kouchibouguac Canada Open Gov jeu de donnĂ©es

        Peatlands are valuable ecosystems due to their critical ecological functions, however these sensitive habitats are vulnerable to various anthropogenic (e.g., peat-moss... Read more
      • Forest Songbirds - Kouchibouguac Canada Open Gov jeu de donnĂ©es

        Songbirds are indicators of habitat conditions within forest or bog ecosystems, as these species have a high level of specialisation to various ecological niches and are... Read more
      • River Otter - Kouchibouguac Canada Open Gov jeu de donnĂ©es

        River otters (Lontra canadensis) are semi-aquatic mammalian predators closely associated to freshwater resources but also linked to terrestrial habitat features, at the aquatic-... Read more
      • Piping Plover - Kouchibouguac Canada Open Gov jeu de donnĂ©es

        The piping plover (Charadrius melodus) is a small endangered shorebird listed under the federal Species at Risk Act (SARA). This species uses ocean shorelines as breeding... Read more
      • Salmon Thermal Stress - Kouchibouguac Canada Open Gov jeu de donnĂ©es

        The influence of water temperature on the ecology of aquatic organisms with optimal thermal ranges is quite substantial, as these regimes regulate activity, growth, survival,... Read more
      • Common Tern Colony - Kouchibouguac Canada Open Gov jeu de donnĂ©es

        The second largest concentration of common terns (Sterna hirundo) in North America is found on Tern Islands, a set of three small barrier islands separated by water at high tide... Read more
      • Mammal Occurrence - Banff Canada Open Gov jeu de donnĂ©es

        Motion-detection cameras are a cost-effective and non-invasive tool used in Banff National Park for sampling mammal populations and estimating species occurrence. Occupancy... Read more
      • Wildlife Mortality - Banff Canada Open Gov jeu de donnĂ©es

        Rail- and vehicle-caused wildlife mortality and wildlife management destruction data for Banff National Park between the years 2005 and 2017. Each species mortality is recorded... Read more
      • Water Quality - Banff Canada Open Gov jeu de donnĂ©es

        These data are water quality parameters sampled by Environment Canada via a Memorandom of Understanding. The individual parameters were used to calculate results for the... Read more
      • Mountain Goats - Banff Canada Open Gov jeu de donnĂ©es

        Mountain goat (Oreamnos americanus) annual aerial helicopter survey data for the area of Lake Louise, Banff between 2002 and 2017. The objective of these surveys, initiated in... Read more
      • Lake Fish Index - Banff Canada Open Gov jeu de donnĂ©es

        Banff National Park staff measured the condition of lake fish communities by the level of deviation of current fish presence in a lake from historic, pre-stocking fish presence. Read more
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