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Are they even there? How agri-environment schemes investments reach their target species in Dutch dairy-farmland, the case of meadow birds
Barba-Escoto, L.; Howison, R.A.; Fokkema, R.W.; Duriaux-Chavarría, J.-Y.; Stessens, M.; van der Velde, E.; Hooijmeijer, C.E.W.; Piersma, T.; Tittonell, P. (2024). Are they even there? How agri-environment schemes investments reach their target species in Dutch dairy-farmland, the case of meadow birds. Global Ecology and Conservation 56: e03286. https://dx.doi.org/10.1016/j.gecco.2024.e03286
In: Global Ecology and Conservation. Elsevier: Amsterdam. ISSN 2351-9894; e-ISSN 2351-9894, meer
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| Auteurs | | Top |
- Barba-Escoto, L.
- Howison, R.A.
- Fokkema, R.W.
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- Duriaux-Chavarría, J.-Y.
- Stessens, M.
- van der Velde, E.
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- Hooijmeijer, C.E.W.
- Piersma, T., meer
- Tittonell, P.
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| Abstract |
Agri-environmental schemes (AES) implemented by farmer collectives for meadow bird protection in The Netherlands create complex landscape mosaics due to the variability of options and combinations farmers use. We propose a method to simplify this complexity, using the number of meadow birds potentially benefiting as the measure of success, and evaluate how AES combinations affect management success as a function of monetary investments. Between 2016 and 2022, we conducted field surveys to measure the density and distribution of Black-tailed Godwits across three land-use types: AES, site-protected areas, and intensive agriculture. AES fields were categorized into nest protection, inundation, delayed mowing, and herb-rich grasslands. We analysed the relationship between these managements, the area they cover, and godwit numbers, while also examining land area and subsidies. Intensive agriculture covered 74.3 % of the area but hosted only 23.2 % of the godwit population at low densities (0.063 godwits/ha). In contrast, protected areas (6.2 % of the area) and AES fields (19.5 %) supported 24.7 % and 52.1 % of the population at higher densities (0.48 and 0.46 godwits/ha, respectively). Among AES types, delayed mowing and herb-rich grasslands showed the highest godwit densities (0.66 and 1.25 godwits/ha, respectively) covering smaller areas (6 % and 1.1 %). These AES types pay the highest subsidies, while nest protection, covering 10.5 % of the area with lower godwit densities, pays the lowest. Although AES fields hosted about half of the godwit population, area-wise the focus remained on nest protection, and with intensive agriculture dominated the landscape. This may limit effectiveness at a population level, calling for re-evaluating conservation priorities and funding. |
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