Environmental Management
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Managing Genetic Diversity and Extinction Risk for a Rare Plains Bison (Bison bison bison) Population
Environmental Management - Tập 64 - Trang 553-563 - 2019
Unfenced plains bison are rare and only occur in a small number of locations throughout Canada and the United States. We examined management guidelines for maintenance of genetic health and population persistence for a small and isolated population of plains bison that occupy the interface between a protected national park and private agricultural lands. To address genetic health concerns, we meas......
Tác động của việc đạp xe địa hình và đi bộ đường dài được thực nghiệm đến thảm thực vật và đất trong rừng lá rộng Dịch bởi AI
Environmental Management - Tập 27 - Trang 397-409 - 2001
Nhiều vấn đề liên quan đến suy thoái đường mòn gần đây đã được quy cho việc đạp xe địa hình vì khả năng gây thiệt hại lớn hơn so với các hoạt động khác, đặc biệt là đi bộ đường dài. Nghiên cứu này so sánh tác động của việc đạp xe địa hình và đi bộ đường dài áp dụng một cách thực nghiệm lên thảm thực vật tầng dưới và đất của một khu rừng lá rộng. Năm cường độ khác nhau của đạp xe và đi bộ (tức là 0......
#đạp xe địa hình #đi bộ đường dài #thảm thực vật #đất #rừng lá rộng
Sea-level rise: Destruction of threatened and endangered species habitat in South Carolina
Environmental Management - Tập 17 - Trang 373-385 - 1993
Concern for the environment has increased over the past century, and the US Congress has responded to this concern by passing legislation designed to protect the nation’s ecological biodiversity. This legislation, culminating with the Endangered Species Act of 1973, has been instrumental in defining methods for identifying and protecting endangered or threatened species and their habitats. Current......
The Relationship of Lithology and Watershed Characteristics to Fine Sediment Deposition in Streams of the Oregon Coast Range
Environmental Management - Tập 37 - Trang 659-670 - 2006
Lithology is one of many factors influencing the amount, grain size distribution, and location of fine sediment deposition on the bed of mountain stream channels. In the Oregon Coast Range, 18 pool-riffle stream reaches with similar slope and intact riparian area and relatively unaffected by logjams were surveyed for assessment of fine sediment deposition. Half of the streams were in watersheds un......
The use of regression equations for quality control in a pesticide physical property database
Environmental Management - Tập 19 Số 1 - Trang 127-134 - 1995
Quality control is a crucial aspect of database management, particularly for physicochemical parameters that are widely used in modeling environmental fate processes. Complete rechecking of original studies to verify environmental fate parameters is time consuming and difficult. This paper evaluates an alternative, more efficient approach to identifying database errors. The approach focuses verifi......
Improving Long-term Monitoring of Contaminated Groundwater at Sites where Attenuation-based Remedies are Deployed
Environmental Management - Tập 66 - Trang 1142-1161 - 2020
This study presents an effective approach to tackle the challenge of long-term monitoring of contaminated groundwater sites where remediation leaves residual contamination in the subsurface. Traditional long-term monitoring of contaminated groundwater sites focuses on measuring contaminant concentrations and is applicable to sites where contaminant mass is removed or degraded to a level below the ......
Determining Relative Contributions of Vegetation and Topography to Burn Severity from LANDSAT Imagery
Environmental Management - Tập 52 - Trang 821-836 - 2013
Fire is a dominant process in boreal forest landscapes and creates a spatial patch mosaic with different burn severities and age classes. Quantifying effects of vegetation and topography on burn severity provides a scientific basis on which forest fire management plans are developed to reduce catastrophic fires. However, the relative contribution of vegetation and topography to burn severity is hi......
An Interval-Parameter Waste-Load-Allocation Model for River Water Quality Management Under Uncertainty
Environmental Management - Tập 43 - Trang 999-1012 - 2009
A simulation-based interval quadratic waste load allocation (IQWLA) model was developed for supporting river water quality management. A multi-segment simulation model was developed to generate water-quality transformation matrices and vectors under steady-state river flow conditions. The established matrices and vectors were then used to establish the water-quality constraints that were included ......
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