Can agri-environmental schemes enhance non-target species? Effects of sown wildflower fields on the common hamster (Cricetus cricetus) at local and landscape scales
作者： Christina Fischer , Christian Wagner
DOI: 10.1016/J.BIOCON.2015.12.021
关键词:
摘要: Abstract During the last decades, agriculture has been rapidly intensified, resulting in a strong decline species diversity. Therefore common agricultural policy (CAP) of EU implemented agri-environmental schemes (AES) for an environmentally-friendly management areas. Sown wildflower fields are one these measures aimed at enhancing insect diversity and related ecosystem services. However, little is known about impacts AES on rare non-target species. To study effect species, occurrence endangered hamster (Cricetus cricetus) was mapped by counting reopened winter burrows paired sown North-West Bavaria, Germany. Concentration effects distribution C. cricetus adjacent were studied mapping up to distance 200 m from fields. Furthermore, relation local (vegetation density, cover grasses, vegetation height, size fields) landscape scale parameters (percentage arable land, grassland, fallow nearest forest, settlement) analysed. Results show that there concentration fields, while densities constantly low. Hamster negatively density grass positively forests, percentage land around In conclusion, we could can be ideal habitat such as hamster. need considered when designing AES.
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