نتایج جستجو برای: ecological integrity

تعداد نتایج: 169874  

Journal: :Plant and Soil 2021

Abstract Purpose Biotic and abiotic properties of soils can hinder or facilitate ecological restoration, management practices that impact edaphic factors strongly influence plant growth restoration outcomes. Salvaged topsoil is an invaluable resource for mine-site a common practice transfer from mined areas to sites. However, direct often not feasible, necessitating storage in stockpiles. We ev...

2011
Se-Rin Park Hyun-Joo Lee Sang-Woo Lee Soon-Jin Hwang Myeong-Seop Byeon Gea-Jae Joo Kwang-Seuk Jeong Dong-Soo Kong Myoung-Chul Kim

Despite numerous previous studies, relationships between watershed land use and adjacent streams and rivers at various scales in Korea remain unclear. This study investigated the relationships between land uses and the physical, chemical, and biological characteristics of 720 sites of streams and rivers across the country. The land uses at two spatial scales, including a 1-km buffer and the bas...

Journal: :Environmental management 2005
Andrea J Radwell Thomas J Kwak

Preservation of extraordinary natural resources, protection of water quality, and restoration of impaired waters require a strategy to identify and protect least-disturbed streams and rivers. We applied two objective, quantitative methods to determine stream ecological integrity of headwater reaches of 10 Ozark rivers, 5 with Wild and Scenic River federal protective status. Thirty-four variable...

2001
G. G. E. Scudder

Species at risk are relatively easy to identify. Saving them is another matter. There are few success stories. With increased human populations, and consequent demands for more space and more resources, there will be an ever increasing number of species at risk. Our current conservation strategies are largely ad hoc, unintegrated, and ineffective. They must be replaced with new strategies focus...

2003
Mark Anielski Colin L. Soskolne

Indicators are critical for monitoring the health of humans. They also are critical for monitoring the health of ecological systems, society, and the economy. Indicators provide vital signs to citizens and decision-makers about trends in the condition of human, social, and natural capital. Indicators of health can be used as an early warning system of risks to human health and hence of the sust...

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