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Conservation and management of the SPA for Birds s.. (Albuera Extremadura)
Conservation and management of the SPA for Birds site of Community interest wetland "La Albuera" in Extremadura
(Albuera Extremadura)
Start date: Jan 1, 2004,
End date: Jan 1, 2008
PROJECT
FINISHED
Background
The Albuera wetland in the Extremadura region consists of a series of temporary Mediterranean ponds of endorheic (closed basin) nature surrounded by a holm oak forest. The wetlands include three habitats that are considered a conservation priority: temporary Mediterranean lagoons, Thero-Brachypodietea steppes and Limonietalia saline Mediterranean steppes.
The wetland is a very important stopover point for migrating birds, who also use it for breeding and wintering. The high ornithological diversity (160 bird species, out of which 44 are EU-listed) is due to the presence of different biological communities, in which species connected to different habitats converge.
The lagoons suffer from a natural silting-up process, which has speeded-up in the last few years because of human activity. Overgrazing was the main conservation threat, particularly on the shores of the lagoons. Transformation of saline steppes into agricultural land or industrial sites was also a potential menace, as was poorly planned forest planting.
Objectives
The project's aim was to restore the La Albuera wetland habitats by stopping the human activity-induced silting-up of the lagoons. The project also aimed to restore the natural watercourses between the lagoons, in order to ensure the sustainability of the conservation measures, and to increase the biological diversity of the shorelines.
To achieve these goals, the project drew up a management plan for La Albuera. The challenge was to safeguard conservation of its natural value while maintaining agricultural activity in the area. The project also carried out a socioeconomic survey to assess the costs of conservation and habitat management. Arable and pasture lands would rented in order to preserve the characteristic flora of the temporary Mediterranean lagoons. Hunting in the area would be regulated to ensure compatibility with habitat conservation.
Results
Despite the outstanding natural value of La Albuera, at the start of the project, the conservation status of the lagoon complex was threatened by a number of damaging activities. Private landowners used the temporary lagoons for crop-planting and livestock when they were dry. This â as well as silting processes â led to the lagoons being treated as extensions of the surrounding agricultural land, thus destroying the original habitat.
To rectify this, the project carried out the following actions across three lagoons, and partially put in place measures for other lagoons:
Carried out the first in-depth hydrological and geological studies of the area, setting a basis for subsequent management. Project actions were then designed accordingly. The studies also helped determine the connections between the lagoons and the catchment area of the river Valdegrana. This could potentially result in the lagoons being considered public property and made subject to water regulations. At the outset of the project, because of their endorheic (closed) nature, the lagoons were regarded as rainwater catchment areas and not subject to water regulations.
The study resulted in the discovery of a new saline steppe close to La Albuera village, where forestry was practiced. This area was under the project ceded for conservation purposes and was fenced to allow the natural recovery of the saline flora.
The project carried out socio-economic studies to assess the position of people living in the area. One of the most relevant outcomes of this was identification of activities that could be carried out in the area profitably while still respecting conservation aims.
The original connections between lagoons were restored (helping maintain their water holdings for longer periods) and shorelines were restored to combat silting and to enable the original vegetation to recover. A deal was done with farmers, with construction of watering points for livestock in exchange for not allowing cattle to enter the lagoons. Vegetation diversity was restored to encourage bird species, and certain lagoons were fenced-off. An observation tower for bird-watching was also built.
Measures were taken to prevent sowing of crops during wildlife breeding periods.The effectiveness of the measures taken has been shown by an increase in the number of steppe birds (such as Otis tarda, Tetrax tetrax, Burhinus oedicnemus and Pterocles orientalis), and of aquatic birds. Meanwhile, long-term measures were put in place with respect to local landowners. Under a new regional decree (3/2006), farmers in the area can now apply for grant aid for conservation of habitats. Such measures have been relatively simple to implement and have contributed to reversing the deteriorating condition of the area. Communication measures such as talks between farmers and local officials, and establishing public access to some of the lagoons, have greatly helped the project be effective.
During the project, in fact, farmers showed they were willing to implement more sustainable management practices. Much time was spent encouraging collaboration between landowners and authorities, which helped farmers accept the measures taken by the project. Farmers even proposed and implemented additional measures. Some farmers did decline to participate in the project's activities, but it is hoped that gradually in the post-project period, wider participation can be encouraged. The project put in place a management plan that should ensure suitable habitat management in the area in the future.
Further information on the project can be found in the project's layman report and After-LIFE Conservation Plan (see "Read more" section).