Freshwaters of Alaska: Ecological Syntheses by ALEXANDER M. MILNER

By ALEXANDER M. MILNER

Alaska's nice dimension is reflected via the massive quantity and variety of its freshwater ecosystems. This quantity reports and synthesizes study on numerous Alaskan freshwaters together with lakes, rivers and wetlands. The enormous variety of Alaskan habitats guarantees that the chapters during this publication will offer worthwhile info for readers drawn to freshwaters, relatively nutrient dynamics, biotic variations, restoration mechanisms of aquatic biota, move succession and the administration of human-induced adjustments in aquatic habitats.

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Additional resources for Freshwaters of Alaska: Ecological Syntheses

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Thesis work was carried out on three large lakes (Brooks, Naknek, and Becharof Lakes) of the Alaska Peninsula (Goldman, 1960). S. Fish and Wildlife Service. The Brooks Lake Research Station was supplied mainly by amphibious aircraft. Amchitka Island: Nuke the Aleutians The Atomic Energy Commission (AEC) initiated detailed studies of the environmental setting of Amchitka Island, in the Aleutians, in 1966. The purpose was pragmatic; data were needed for planning and assessing an underground nuclear test of a warhead larger than could be safely tested at the Las Vegas site.

Representative temperature curves for rivers from four hydrologic regions. Data sources and length of record as follows: Porcupine Creek 5 years (Koski, 1982), Shaheen Creek 1 year (1. Thedinger personal communication). 5 years (Irons and Oswood. 1992). Little Poker Creek 1 year (Irons and Oswood, 1992). Imnavait Creek 4 years (Irons and Oswood. 1992). Kuparak River 2 years (c. Harvey, personal communication). precipitation occurs as rain and consequently a smaller snowpack exists in watersheds; in southcentral Alaska a large percentage of winter precipitation falls as snow.

Many of the major rivers on the coastal plain and interior Alaska carry high silt loads due to glacial runoff in headwaters. Many rivers in this region meander extensively and as a consequence meanders may be cut off from the mainstem of the river creating ox-bow lakes (Fig. 28). If these lakes become filled with vegetation they are termed meander scars. , 1981) where the river has aggraded its course faster than a tributary river that then became obstructed by sediments deposited along the sides of the main valley.

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