Results 131 to 140 of about 60,381 (174)

Indicators of Ecosystem Integrity

1992
Ecological indicators have long been used for practical purposes. Why is there now enough interest in ecological indicators to convene numerous group activities on this issue, including the Symposium to which this paper was a contribution? A major, though somewhat erratic, process of political reform is underway with respect to how humans relate to the
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Indicators of Ecosystem Response and Recovery

1989
To facilitate effective protection of environmental systems subjected to anthropogenic activities, there must be basic understanding of three areas: how the variety of biological components of ecosystems are exposed to stress; how the ecosystems respond to that disturbance; and how they recover or adapt.
John R. Kelly, Mark A. Harwell
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A system for lake ecosystem indices

JOURNAL OF AQUATIC ECOSYSTEM HEALTH, 1993
There is a growing awareness of the need to develop a more rational structure for scientific decision-making in the environmental sphere. The aim of this paper is to present an outline to a system for ecosystem indices (or indicators). This work is based on a holistic ecosystem perspective and the aim is to present an overall concept rather than ...
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Evolution of Indicators of Ecosystem Health

1992
The history of environmental indicators in many fundamental aspects is deeply embedded in the history and prehistory of human culture. A remark attributed to Plato suggests that some thousands of years ago there was an understanding that human activity (modifications of agricultural drainage systems) impacted local climate and had adverse impacts on ...
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Ecosystem Health: Energy Indicators

2004
D.E. Campbell, T.T. Cai, T.W. Olsen
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Ecosystem Health Indicators

2008
B. Burkhard, F. Müller, A. Lill
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Indicators for Ecosystem Services

2016
Felix Müller, Benjamin Burkhard, Ying Hou, Marion Kruse, Liwei Ma, Peter Wangai   +5 more
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A Systematic Review on the Integration of Remote Sensing and GIS to Forest and Grassland Ecosystem Health Attributes, Indicators, and Measures

Remote Sensing, 2021
Irini Soubry, Xulin Guo
exaly  

Biomarker indicators of past ecosystems

Biomarkers are identifiable molecular fossils preserved in archaeological and geological archives, and are used to reconstruct Quaternary ecosystems, encompassing climate, environment, and biota. The diversity and resilience of biomarkers, in addition to their accessible and consistent laboratory analytical techniques, make them a powerful tool for ...
Lupien, Rachel; id_orcid 0000-0002-5618-8829, Śliwińska, Kasia K.   +1 more
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Indicators to support an ecosystem approach to fisheries

Fish and Fisheries, 2005
Simon Jennings
exaly