Landscape history improves detection of marginal habitats on semi-natural grasslands.

摘要: Semi-natural grassland habitats have markedly declined from their historical coverage, thus causing substantial losses for agricultural biodiversity and establishing a consequent need to spot the remaining habitat patches. These patches are generally remnants of once larger areas, formed by uninterrupted low-intensity management centuries, but then later being isolated fragmented into smaller pieces. In light this development, past landscape phases crucial role present existence semi-natural grasslands. The importance factors has been indicated in many studies evaluation added value, or actual site-specific effects compared observations only characteristics, is not provided. As data related often difficult obtain, tedious process challenging interpret, assessment its advantages - consequences potential exclusion would be needed. study, we used maximum entropy approach model distribution Fumewort (Corydalis solida) which study area good indicator valuable habitats. We constructed three different models one based on contemporary environment with expected indicators stability, solely long-term dynamics, combining variables present. Predictions were validated each other, followed an analysis indicating similarity results known occurrences. Our indicate that landscapes may provide workable surrogates delineate core habitats, utilization improves detection small outlying conclusions emphasize previous particularly detecting marginal existing contemporarily suboptimal conditions prone disappear if no further actions taken.