Ponds Pools And Puddles (Collins New Naturalist Library) Penny Williams William Collins Αγγλικά Βιβλία Health Family & Life Style

Ponds And Pools Are A Common Feature Of Our Landscape – There At Least Ten Times As Many Lakes In The Uk They Also Important Wildlife Habitats This Book Provides Comprehensive Detailed Account These Freshwater First Chapter Discusses What Puddles How Differ From Rivers Their Origin Natural Or Man-Made Different Types Abundance Distribution Britain Second Looks Ancient That Have Existed For Millennia On Earth’s Surface Pond Communities Preserved Inter- Post-Glacial Sediments Compared With Modern Examines Physical Chemical Environment Covering Aspects Such Size Shape Depth Hydrology Oxygen Temperature Rich Species Support Rare Uncommon Taxa Including About Half Britain’s Red Data Wetland Plant Animal Authors Give Survey Variety Life Which Habitat Each Plants Invertebrates Amphibians Fish Birds Mammals Importance To Groups Ways Organisms Exploit Describing Major Variations Cycles Ecosystem Colonisation Succession Discussed Two Further Chapters Before Final Is Devoted Subject Conservation Best Protect Manage Today Spite Evident Been Largely Ignored By Biologists During Century Makes An Invaluable Contribution Raising Awareness Popular Yet Frequently Underrated Giving Them Attention Rightly Deserve Σελίδες: 624 Διαστάσεις: 15 5X15 5Cm