Invasion of exotic earthworms into ecosystems inhabited by native earthworms
نویسندگان
چکیده
منابع مشابه
Native and exotic earthworms affect orchid seed loss
Non-native earthworms have invaded ecosystems around the world but have recently received increased attention as they invaded previously earthworm-free habitats in northern North America. Earthworms can affect plants by ingesting seeds and burying them in the soil. These effects can be negative or positive but are expected to become increasingly negative with decreasing seed size. Orchids have ...
متن کاملImproved Performance of Soil Microbial Fuel Cell by Adding Earthworms
Soil microbial fuel cells (SMFCs) are expected as an application to produce sustainable energy. Here, we focused on soil ecosystems, specifically the earthworms which are known to improve soil-fertility by degrading fallen leaves or plant litter. The aim of this study was to investigate the effect of earthworm on power generation of the SMFC. The maximum power density and the internal res...
متن کاملCollagen of the Earthworms
The problem of the complex configuration of the collagen in the Oligochaeta has not yet been conclusively solved. Since the last century, evidence has been found of a fibrous structure lying above the epidermis (constituting the cuticle) and of another one lying below it (constituting the supporting structures). The cuticle, easily examined by physical and chemical methods, was analyzed minutel...
متن کاملEarthworms and Soil Pollutants
Although the toxicity of metal contaminated soils has been assessed with various bioassays, more information is needed about the biochemical responses, which may help to elucidate the mechanisms involved in metal toxicity. We previously reported that the earthworm, Eisenia fetida, accumulates cadmium in its seminal vesicles. The bio-accumulative ability of earthworms is well known, and thus the...
متن کاملInteractive effects of global warming and ‘global worming’ on the initial establishment of native and exotic herbaceous plant species
The spread of exotic earthworms (‘worming’) and rising temperatures are expected to alter the biological, chemical and physical properties of many ecosystems, yet little is known about their potential interactive effects. We performed a laboratory microcosm experiment to investigate the effects of earthworms (anecic, endogeic, epigeic, or all three together) and 4°C warming on soil water conten...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Biological Invasions
سال: 2006
ISSN: 1387-3547,1573-1464
DOI: 10.1007/s10530-006-9022-8