Experimental Manipulation of Water Table and Grazing Pressure as a Tool for Developing and Maintaining Habitat Diversity for Waterbirds

[摘要] TherelationshipbetweenreedPhragmitesaustraliscoverofditchesandhabitatusebymarshlandbirdswasstudiedinanexperimentalareaoftheOostvaardersplassennaturereserveinTheNetherlands.WatertableandgrazingbycattleandhorseshadanimportantimpactonthedevelopmentofP.australisinditchesandpools,resultinginthreedifferenttypesofhabitat:deepopenwater,shallowopenwaterandshallowwaterwithP.australisvegetation.Shallowwaterbodieswithareedcoveroflessthan10%weremostfrequentlyvisitedbyforagingEurasianSpoonbillPlatalealeucorodia,SmewMergellusalbellus,herons,ducks,wadersandrails.Breedinggrebesandmarshlandpasserines,however,preferredpartswithmorereedcover.Itisconcludedthatthecreationofshallowwaterbodies,togetherwithadjustedwatertablemanagementandgrazingpressurearesuitabletoolsforrestoringhabitatspreferredbymarshlandbirds.

[学科分类] 动物科学

[关键词] Habitat Restoration