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  • 1
    Online Resource
    Online Resource
    Cham :Springer International Publishing :
    Keywords: Freshwater ecology. ; Marine ecology. ; Restoration Ecology. ; Riparian Ecology. ; Environmental management. ; Conservation biology. ; Ecology . ; Freshwater and Marine Ecology. ; Restoration Ecology. ; Riparian Ecology. ; Environmental Management. ; Conservation Biology.
    Description / Table of Contents: Chapter 1. Introduction to Wetlands -- Chapter 2. The Causal Factor Approach to Wetland Ecology -- Chapter 3. Duration of Flooding is the Most Important Causal Factor -- Chapter 4. Flood Pulses -- Chapter 5. Fertility -- Chapter 6. Natural Disturbance -- Chapter 7. Competition -- Chapter 8. Herbivory -- Chapter 9. Burial -- Chapter 10. Salinity -- Chapter 11. Roads -- Chapter 12. Coarse Woody Debris -- Chapter 13. Invasive Species are an Emerging Causal Factor -- Chapter 14. Human Population Size -- Chapter 15. The Global Context for Wetland Protection and Restoration -- Chapter 16. Some Review Questions for Managers.
    Abstract: This book presents 12 effective methods to manage wetlands for conservation. It offers a tool box of causal factors that can be used to protect and restore wetlands to enhance biological diversity and other functions. Each causal factor is introduced, briefly explained, and then illuminated with selected examples from around the world. The book provides a prioritized shopping list of methods for protecting and restoring wetlands. The three first and most important causal factors are flooding, fertility, and natural disturbance. Then nine other causal factors are introduced, including herbivory, sedimentation, roads, invasive species, and coarse woody debris. Each causal factor is carefully linked to the scientific literature and explained using the author’s own experience. The same list of 12 causal factors applies around the world—whether you are managing a temperate zone floodplain, a tropical peatland, a freshwater marsh, or a coastal mangrove swamp. Instead of hiring an expensive team of consultants, or pouring through hundreds of scientific papers, here is one concise guide to methods that can be immediately applied to benefit any wetland. Professor Paul Keddy has spent more than 50 years studying wetlands, and writing and lecturing about the environmental factors that control them. He has published more than 150 scholarly papers, and won multiple scientific prizes. His book Wetland Ecology is widely used to teach the principles of wetland science. Causal Factors for Wetland Management: A Concise Guide has a much simpler message: how to protect and enhance wetlands. In this concise guide, he has condensed a lifetime of experience into just 12 principles. The book is aimed at all people who protect or restore wetlands: park managers, wildlife biologists, landscape architects, engineers, environmental consultants, environmental agencies, conservation authorities, and NGOs—as well as landowners and concerned citizens. Causal Factors for Wetland Management: A Concise Guide is essential reading for anyone who cares for wetlands and wild places.
    Type of Medium: Online Resource
    Pages: XIII, 158 p. 80 illus., 30 illus. in color. , online resource.
    Edition: 1st ed. 2023.
    ISBN: 9783031217883
    Series Statement: Wetlands: Ecology, Conservation and Management, 8
    DDC: 577.6
    Language: English
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  • 2
    Call number: SR 90.0016(288)
    In: Mitteilungen aus dem Geologischen Institut der Eidgenössischen Technischen Hochschule und der Universität Zürich. N.F.
    Type of Medium: Series available for loan
    Pages: XXXIV, 375 S.
    Series Statement: Mitteilungen aus dem Geologischen Institut der Eidgenössischen Technischen Hochschule und der Universität Zürich N.F., 288
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biological Conservation 68 (1994), S. 217-224 
    ISSN: 0006-3207
    Keywords: Lachnanthes caroliana ; Lophiola aurea ; Scirpus longii ; isoetids ; wetlands
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 3 (1979), S. 409-415 
    ISSN: 1432-1009
    Keywords: Conservation ; Field ; Marsh ; Recreation ; Snowmobile ; Vegetation ; Compaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A study was carried out in Nova Scotia, Canada, to experimentally assess the effect of snowmobiles on old field and marsh vegetation. Snowmobile treatments ranging from a single pass to 25 passes (five passes on five separate days) were administered. The first pass by a snowmobile caused the greatest increase in snow compaction-roughly 75% of that observed after five sequential passes. Snowmobile treatment resulted in highly significant increases in snow retention in spring. Frequency was more important than intensity in this regard. Standing crop and species composition were measured the following summer. Standing crop in the field showed a significant reduction with increasing snowmobile use; frequency of treatment (p 〈 0.01) was more important than intensity (p = 0.125).Stellaria graminea, Aster cordifolius, Ranunculus repens, andEquisetum arvense all showed significant (p 〈 0.05) differences in percent cover resulting from the treatment. Marginally significant changes were observed inAgrostis tenuis andPhleum pratense Marsh vegetation showed no significant effects of snowmobile treatment. This may have been because of solid ice cover during the winter. The literature is critically reviewed. It is concluded that snowmobile use can have a highly significant effect upon natural vegetation. Management suggestions are made.
    Type of Medium: Electronic Resource
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  • 5
    Publication Date: 1979-09-01
    Print ISSN: 0364-152X
    Electronic ISSN: 1432-1009
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Published by Springer
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  • 6
    Publication Date: 1994-01-01
    Print ISSN: 0006-3207
    Electronic ISSN: 1873-2917
    Topics: Biology
    Published by Elsevier
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Freshwater biology 25 (1991), S. 0 
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SUMMARY. 1. Transplant experiments tested the proposition that the intensity of competition within macrophyte communities varies with standing crop in a freshwater marsh in Ontario, Canada.2. Transplants of three species (Carex lasiocarpa, Juncus brachycephalus, Scripus validus) were grown at sixty-six locations chosen to represent a range of standing crop values. At each location, transplants were grown in plots with all neighbours removed and in adjacent plots with all neighbours present.3. The effect of neighbours on transplant growth did not vary with standing crop, soil, or water depth, with the exception of one species which was most suppressed by neighbours in shallow water. In contrast, the effect of neighbours on the survivorship of transplants was greatest on organic soils supporting high values of standing crop in shallow water, and least on mineral soils supporting low values of standing crop in deeper water.4. The results indicated that establishment and survivorship of vegetative propagules was most likely to be affected by neighbours in shallow water, but that the growth of established plants was not influenced by neighbours anywhere. Growth results corroborate earlier findings that competition has little effect on aquatic macrophytes.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Freshwater biology 29 (1993), S. 0 
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: 〈list xml:id="l1" style="custom"〉1 The relationship of the seed bank to the vegetation of a freshwater marsh was studied along gradients of water depth and soil organic matter content. Characters examined included standing crop, seedling density, and species composition, distribution and richness.2 The seed bank differed from the vegetation in that only nine of twenty-seven species were present in both, abundant seed-bank species were uncommon as adults, and adults showed different distributions along a gradient of soil organic matter content whereas their seeds were most abundant in soils with high organic matter.3 The seed bank resembled the vegetation in that separate multivariate analyses of the communities revealed that variation in the species composition of each was significantly correlated with water depth and soil organic matter content. Further, species richness in both communities decreased with water depth and increased with soil organic matter content. Lastly, the standing crop of the vegetation and the number of seedlings both decreased with water depth and increased with soil organic matter.4 Consideration of spatial patterns and environmental gradients revealed more similarities between vegetation and seed banks than were obtained by comparing species lists. The results suggest that artificial stimulation of seed bank germination for management purposes will not produce vegetation changes as large as those suggested by differences in species lists.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Biochemistry 13 (1974), S. 5453-5463 
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1440-1770
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography
    Notes: The most important factor in shoreline wetlands is variation in water depth. Superimposed upon this are gradients of soil fertility, ranging from sandy, open shorelines to sheltered, fertile bays. The use of both transplant and pot experiments shows that competitive hierarchies rapidly arise in wetland vegetation and that species are sorted along exposure and depth gradients according to their relative competitive abilities. These patterns can be summarized in the centrifugal organization model, in which competitive dominants occupy preferred core habitats and where different species and vegetation types are then arrayed outward along different constraint gradients ( Wisheu & Keddy 1992). Knowledge of these general patterns provides an essential tool for managing lakes and reservoirs in order to maintain and enhance biological diversity.
    Type of Medium: Electronic Resource
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