Vol. 32 – 2006 - Ecologia Mediterranea

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MOHAMED BOUKHEMZA, NABILA BOUKHEMZA-ZEMMOURI, JEAN-FRANÇOIS VOISIN, BELKACEM BAZIZ 28 sium on White Storks, 7-10 April 1994, Basle (Schweiz), p. 159-162. Martinez Rodríguez E. & Fernández R., 1995. Calidad del habitat de nidification de la Cigüeña blanca. In: Biber O., P. Enggist, C. Marti & T. Salathé (eds), Conservation of the White stork western population. Proceedings of International Symposium on White Storks, 7-10 April 1994, Basle (Schweiz): 4-12. Metzmacher M., 1979. Les oiseaux de la Macta et de sa région (Algérie) : non passereaux. Aves 16 : 89-123. Pinowska B. & Pinowski J., 1989. Feeding ecology and diet of the White Stork (Ciconia ciconia) in Poland. In: Rheinwald G., J. Ogden & H. Schulz (Hrsg.): Weißstorch. Proc. I. Int. Stork Conserv. Sympo. Schriflenreihe des DDA, 10: 381-396. Pinowski J., Pinowska B., De Graaf R., Visser J. & Dziurdzik B., 1991. Influence of feeding habitat on prey capture rate and diet composition of White Stork Ciconia ciconia (L.). Studia Naturae-Seria A, Nr 37: 59-85. Rheinwald G., Ogden J. & Schulz H., 1989. Weißstorch. Proc. I. Int. Stork Conserv. Sympo. Schriflenreihe des DDA 10. Sánchez F., Máñez M. & Barcell M., 1995. Invernada de la Cigüeña Blanca de España en 1991 y 1992. In: Biber O., Enggist P., Marti C. & Salathé T. (eds), Conservation of the White stork western population. Proceedings of International Symposium on White Storks, 7-10 April 1994, Basle (Schweiz): 81-82. Siegfried W. R., 1969. Energy metabolism of the Cattle Egret. Zool. Africana 4: 265 - 273. Siegfried W. R., 1971. Feeding activity of the Cattle Egret. Ardea 59: 38-46. Skov H., 1991. Population studies on the White Stork Ciconia ciconia in Denmark. In: Mériaux J.-L. et al. (eds), Actes du Colloque international, Les Cigognes d’Europe. Institut européen d’écologie/Association multidisciplinaire des biologistes de l’environnement. Metz (France) : 119-124. Struwe B. & Thomsen K.M., 1991. Untersuchengen zur Nahrungsökologie des Weißstorchs (Ciconia ciconia, L. 1758) in Bergenhusen 1989. Corax 14 : 210- 239. Thomsen K.M., 1995. Auswirkungen moderner Landbewirtschaftung auf die Nahrungsökologie des Weißstorchs. In: Biber O., P. Enggist, Marti C. & Salathé T. (eds), Conservation of the White stork western population. Proceedings of International Symposium on White Storks, 7-10 April 1994, Basle (Schweiz): 121-134. Thomsen K.M., & Struwe B., 1994. Vergleichende nahrungsökologische Untersuchungen an Weißstorch- Brutpaaren (Ciconia ciconia) in Stapelholm und im Kreis Herzogtum Lauenburg. Corax 15 : 293-308. Voisin, C., 1978. Utilisation des zones humides du delta rhodanien par les Ardéidés. L’Oiseau et la Revue française d’ornithologie 48 : 217-380. Voisin C., 1991. The Herons of Europe. T. & A. D. Poyser, London, 364 p. Voisin J.-F., 1986. Une méthode simple pour caractériser l’abondance des Orthoptères en milieu ouvert. L’Entomologiste 42 : 113-119. Zingg R., 1995. Die situation der Lebensräume und Möglichkeiten der ökologiischen Aufwertung im Tal des Alpenrheins. In : Biber O., Enggist P., Marti C. & Salathé T. (eds), Conservation of the White stork western population. Proceedings of International Symposium on White Storks, 7-10 April 1994, Basle (Schweiz): 143-145. ecologia mediterranea – Vol. 32 – 2006
Priority Zones for Mediterranean protected agro sylvo pastoral landscapes Les zones prioritaires pour les paysages agro-sylvo-pastoraux méditerranéens Abstract The conservation of Mediterranean protected agro sylvo pastoral landscapes very often has to reconcile conflicting forces related to socio-economic interests on the one hand and the needs of biodiversity protection on the other. These latter can be relevant in defining the environmental ranges and the biological constraints on which a sustainable use of protected landscapes should be developed. In this regard, the design of protected areas and their zoning play a pivotal role determining where and which activities should or should not be carried out. This paper considers two neighbouring parks in southern Italy, both characterized by large expanses of Mediterranean steppe grasslands and inhabited by the largest Italian population of the lesser kestrel (Falco naumanni). In the study area, the lesser kestrels nest mainly in the historical centres of the towns surrounding the parks and feed in large open areas occupied mainly by cereal crops and steppe grasslands. Given the ecological role and the high conservation value of the lesser kestrel, the design of the two parks should encompass those areas needed to preserve the local population. In order to determine whether steppe variables (amount and types, at different distances from nest sites) were significant predictors of the colony sizes (dependent variables) of the lesser kestrel, a multiple linear regression analysis was conducted. The analysis showed colony size to be correlated significantly with the amount of steppe within a radius of 7.5 km of the nesting site. On the basis of these results, we identified Keywords: conservation, lesser kestrel, park, zoning. ecologia mediterranea – Vol. 32 – 2006 and delimited in each park the so-called “Priority Zones”, that is the zones that should be the major focus of conservation efforts. We then compared the boundaries of these “Priority Zones” with those of the parks, as they were already defined, highlighting the implications for biodiversity conservation. Résumé La conservation des paysages agro-sylvopastoraux protégés en Méditerranée doit très souvent concilier, d’une part, les conflits relatifs aux intérêts socio-économiques et, d’autre part, les besoins de protection de la biodiversité. Ces derniers peuvent constituer des éléments pertinents dans la définition des mesures environnementales et des contraintes biologiques à partir desquelles un usage approprié des territoires protégés peut être développé. Dans ce cadre, les projets d’espaces naturels protégés et la détermination de leurs superficies jouent un rôle fondamental en déterminant où et quelles activités devraient ou ne devraient pas être effectuées. Ce travail considère deux parcs proches, dans l’Italie méridionale, tous les deux caractérisés par de grandes surfaces de steppes méditerranéennes et habitées par les Massimo TERZI 1 , Marco MARVULLI 2 1. Institute of Plant Genetics, CNR, via Amendola 165/a Bari, Italy 2. Dept. Plant Production Science, University of Bari, via Orabona, 4 Bari, Italy Address for correspondence: Terzi Massimo, Institute of Plant Genetics, CNR, via Amendola 165/a Bari, Italy phone: +39 0805583400 (ext: 242) fax: +39 0805587566 e-mail: massimo.terzi@igv.cnr.it Mots clés : conservation, faucon crécerellette, Méditerranée, parc naturel, zonation. 29
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