Habitat Evaluation Procedures (HEP) Report : Vancouver Lowlands Shillapoo Wildlife Area, 1994-1995 Technical Report.

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This project was conducted as part of a comprehensive planning effort for the Vancouver Lowlands project area. The study was funded by The Bonneville Power Administration (BPA) and carried out by the Washington Department of Fish and Wildlife (WDFW). The Vancouver Lowlands is considered an area of high priority by WDFW and is being considered as a potential site for wildlife mitigation activities by BPA. The objectives of this study were to collect baseline information and determine current habitat values for the study area. A brief discussion of potential future management and a proposed listing of priorities for habitat protection ... continued below

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50 pages

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Calkins, Brian; Anderson, Eric & Ashley, Paul January 1, 1995.

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Description

This project was conducted as part of a comprehensive planning effort for the Vancouver Lowlands project area. The study was funded by The Bonneville Power Administration (BPA) and carried out by the Washington Department of Fish and Wildlife (WDFW). The Vancouver Lowlands is considered an area of high priority by WDFW and is being considered as a potential site for wildlife mitigation activities by BPA. The objectives of this study were to collect baseline information and determine current habitat values for the study area. A brief discussion of potential future management and a proposed listing of priorities for habitat protection are found near the end of this report. This report is a companion to a programmatic management plan being drafted for the area which will outline specific, management programs to improve habitat conditions based, in part, on this study. The following narratives, describing limiting habitat variables, carry recurring themes for each indicator species and habitat type. These recurring variables that limited habitat value include: Waterbodies that lack emergent and submerged vegetation; forest areas that lack natural shrub layers; a predominance of non-hydrophytic and less desirable non-native plants where shrubs are present; a general lack of cover for ground nesting and secure waterfowl nest sites (island type). Human disturbance was the variable that varied more than any other from site to site in the study area. One issue that the models we used do not truly deal with is the quantity and connectivity of habitat. The mallard and heron models deal with spatial relationships but for other species this may be as critical. Observation of habitat maps easily show that forested habitats are in short supply. Their continuity along Lake river and the Columbia has been broken by past development. Wetland distribution has also been affected by past development.

Physical Description

50 pages

Source

  • Related Information: [HEP Report] Vancouver Lowlands Baseline HEP Surveys

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  • Report No.: DOE/BP-50446-1
  • Grant Number: Not available
  • DOI: 10.2172/945041 | External Link
  • Office of Scientific & Technical Information Report Number: 945041
  • Archival Resource Key: ark:/67531/metadc896193

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Creation Date

  • January 1, 1995

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 8, 2016, 8:12 p.m.

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Calkins, Brian; Anderson, Eric & Ashley, Paul. Habitat Evaluation Procedures (HEP) Report : Vancouver Lowlands Shillapoo Wildlife Area, 1994-1995 Technical Report., report, January 1, 1995; Portland, Oregon. (digital.library.unt.edu/ark:/67531/metadc896193/: accessed June 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.