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Marine protected areas (MPAs) have an important role in marine conserva tion programmes around the world. The guiding princi ples behind key stages in the setting up and management of MP As are described, and case studies illustrate how they have worked.
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This volume summarizes the results of a survey of British Upper Carboniferous sites, undertaken between 1978 and 1990 as part of the Geological Conservation Review (GCR).
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A very wide range of gradients of temperature, pH, oxygen concentration, salinity, current velocity, depth, productivity, altitude and latitude... Læs mere
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The modeling covers all stages from subduction initiation to `death', different regimes of subduction producing back arc extension and compression, blocking of subduction and jumps of subduction zone, arc-continent collision and continental subduction.
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The continental shelf seas have an importance which is out of proportion to the rela tively small fraction of the area of the global ocean which they occupy. These... Læs mere
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This was a time during which the single continent Pangea disintegrated into continental units similar to those of today, a... Læs mere
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This was not because the decline of butterflies has stopped or even slowed down, far from it, the threat to our butterflies continues to increase from habitat destruction and intensification of land use.
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This volume deals with those sites selected as part of the Geological Conservation Review (GCR) within the southern British part of the... Læs mere
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Most politicians have jumped on the conservation bandwagon, and nobody running for public office these days can afford to take an overtly anti environment stand.
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Proceedings of the Sixth European Symposium held in Lisbon, Portugal, May 22-24, 1990
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Is economic growth good for the environment? This view has received increasing support since the early 1990s from empirical evidence that has challenged the traditional environmentalist's belief that economic growth degrades the environment.
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This book - the first published on this topic in plants - presents the reader with an overview of recent research on nitric oxide (NO) in plants,... Læs mere