Now showing items 1-10 of 277
Tundra vegetation recovery on 30 year-old seeded and unseeded drilling mud sumps in the Mackenzie River Delta region, NWT
Oil and gas exploration conducted in the 1970s left behind a legacy of abandoned well sites in the Mackenzie Delta region of northern Canada, including several in the Kendall Island Migratory Bird Sanctuary and surrounding ...
Alpine plant responses to natural temperature variation and experimental warming treatments in southern Yukon
Global climate models predict that the current trend of warming in the Arctic will continue over the next century. The productivity of arctic plants is often limited by short growing seasons with relatively low temperatures ...
Threat-sensitive learning and generalization of predator recognition by aquatic vertebrates
Many prey species lack innate recognition of their potential predators. Hence, learning is required for them to recognize and respond to predation threats. When wild-caught, these same species may show amazing sophistication ...
Morphology and diversity of arbuscular mycorrhizal fungi colonizing roots of dandelion and chive
Arbuscular mycorrhizas (AM) are the plant root-fungus interactions that are most widespread mycorrhiza in nature. As classically defined, there are two major AM morphologies named after the plant genera in which they were ...
Ecological responses to altered fire frequency in treeline forests of the North Yukon, Canada
Climate change is expected to alter patterns of disturbance, which in turn may drive future ecosystem change. This interaction may be particularly important in sub-arctic regions due to rapid climate change and frequent ...
BIOLOGICAL TOOLS FOR WATER SECURITY IN THE NORTHERN GREAT PLAINS
Rivers and streams are a critical component of Northern Great Plains ecosystems and an extremely valuable source of surface water. Despite their importance, these waterbodies have traditionally received much less scientific ...
Social learning of predation risk and safety: fish behaviour as a model for fear recovery
The abstract of this item is unavailable due to an embargo.
Reproductive ecology of temperate-nesting waterfowl : temporal and spatial patterns of investment and success in lesser scaup (Aythya affinis) (AYTHYA AFFINIS)
Ecologists and conservation biologists alike aim to understand factors determining the abundance and distribution of free-living organisms and to pinpoint why free-ranging animal populations decline. My broad goals were ...
The role of sec24 in protein export from the plant endoplasmic reticulum
Plant cells contain multiple mobile Golgi bodies. Golgi bodies receive cargo from specialized subdomains of the endoplasmic reticulum (ER), so-called ER export sites (ERES). How ERES operate in plant cells is largely ...
Parasite-host interactions in an arctic goose colony
The arctic is currently experiencing some of the greatest rates of warming. Newly emerging diseases in the arctic are of particular interest due to the implications these may have at southern latitudes if temperatures ...