{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,8]],"date-time":"2025-11-08T17:25:20Z","timestamp":1762622720693},"reference-count":45,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[2000,3,1]],"date-time":"2000-03-01T00:00:00Z","timestamp":951868800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Agriculture, Ecosystems & Environment"],"published-print":{"date-parts":[[2000,3]]},"DOI":"10.1016\/s0167-8809(99)00114-0","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T02:48:57Z","timestamp":1027651737000},"page":"65-76","source":"Crossref","is-referenced-by-count":72,"title":["Bird assemblages of an Iberian cereal steppe"],"prefix":"10.1016","volume":"78","author":[{"given":"A","family":"Delgado","sequence":"first","affiliation":[]},{"given":"F","family":"Moreira","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/S0167-8809(99)00114-0_BIB1","doi-asserted-by":"crossref","unstructured":"Ausden, M., Treweek, J., 1995. Grasslands. In: Sutherland, W.J., Hill, D.A. (Eds.), Managing Habitats for Conservation. Cambridge University Press, Cambridge, pp. 179\u2013229.","DOI":"10.1017\/CBO9781316036426.008"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB2","unstructured":"Baldock, D., 1991. Implications of EC farming and countryside policies for conservation of lowland dry grasslands. In: Goriup, P.D., Batten, L.A., Norton, J.A., (Eds.), The Conservation of Lowland Dry Grassland Birds in Europe. JNCC, Peterborough, pp 111\u2013117."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB3","unstructured":"Baldock, D., Beaufoy, G., Bennett, G., Clark, J., 1993. Nature conservation and new directions in the EC Common Agricultural Policy. Institute for European Environmental Policy, London."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB4","unstructured":"Beaufoy, G., Baldock, D., Clark, J., 1994. The nature of farming. Low intensity farming systems in nine European countries. Institute for European Environmental Policy, London."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB5","unstructured":"Borralho, R., Stoate, C., Ara\u00fajo, M., Rito, A., Carvalho, S., 1998. Factores ambientais que afectaram a ocorr\u00eancia primaveril de codorniz Coturnix coturnix no Baixo Alentejo. In: Costa, L.T., Costa, H., Ara\u00fajo, M., Silva, M.A., (Eds.), Actas do simp\u00f3sio sobre aves migradoras na Pen\u0131\u0301nsula Ib\u00e9rica. SPEA, \u00c9vora, pp. 68\u201372."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB6","unstructured":"Cody, M.L., 1985. Habitat Selection in Birds. Academic Press, San Diego."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB7","unstructured":"Cramp, S., Simmons, K.L.E. (Eds.), 1980. Handbook of the birds of Europe, the Middle East, and North Africa: the Birds of Western Paleartic, vol. II. Oxford University Press, Oxford."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB8","unstructured":"Cramp, S., Simmons, K.L.E. (Eds.), 1983. Handbook of the Birds of Europe, the Middle East, and North Africa: the Birds of Western Paleartic, vol. III. Oxford University Press, Oxford."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB9","unstructured":"Cramp, S. (Ed.), 1988. Handbook of the Birds of Europe, the Middle East, and North Africa: the Birds of Western Paleartic, vol. V. Oxford University Press, Oxford."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB10","unstructured":"Cramp, S. (Ed.), 1992. Handbook of the Birds of Europe, the Middle East, and North Africa: the Birds of Western Paleartic, vol. VI. Oxford University Press, Oxford."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB11","unstructured":"Cramp, S., Perrins, C.M. (Eds.), 1994. Handbook of the Birds of Europe, the Middle East, and North Africa: the Birds of Western Paleartic, vol. VII. Oxford University Press, Oxford."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB12","first-page":"1","article-title":"Respuestas de las comunidades nidificantes de aves a la intensificaci\u00f3n agr\u0131\u0301cola en cultivos cerealistas de la Meseta Norte (Valladolid\u2013Palencia, Espa\u00f1a)","volume":"11","author":"Diaz","year":"1993","journal-title":"Aegypius"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB13","doi-asserted-by":"crossref","first-page":"289","DOI":"10.1016\/0167-8809(94)90058-2","article-title":"Predicting the effects of agriculture changes in central Spanish croplands on seed-eating overwinter birds","volume":"49","author":"Diaz","year":"1994","journal-title":"Agric., Ecosyst. Environ."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB14","unstructured":"Donazar, J.A., Naveso, M.A., Tella, J.L., Campi\u00f3n, D., 1997. Extensive grazing and raptors in Spain. Farming and Birds in Europe. The Common Agricultural Policy and its Implications for Bird Conservation. Academic Press, San Diego, pp. 117\u2013149."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB15","doi-asserted-by":"crossref","unstructured":"Farina, A., 1998. Principles and Methods in Landscape Ecology. Chapman and Hall, Cambridge.","DOI":"10.1007\/978-94-015-8984-0"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB16","unstructured":"Forman, R.T., 1997. Land mosaics. The ecology of landscapes and regions. Cambridge University Press, Cambridge."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB17","doi-asserted-by":"crossref","unstructured":"Gauch, H.G., Jr., 1982. Multivariate Analysis in Community Ecology. Cambridge University Press, Cambridge.","DOI":"10.1017\/CBO9780511623332"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB18","unstructured":"Grimmet, R.F.A., Jones, T.A., 1989. Important Bird Areas in Europe. ICBP, Cambridge."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB19","unstructured":"Hays, R.L., Summers, C., Seitz, W. (Eds.), 1981. Estimating Wildlife Habitat Variables. \u2014 U.S.D.I. Fish and Wildlife Service, FWS\/OBS-81\/47, Washington, 111 pp."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB20","unstructured":"H\u00f3dar, J.S., 1996a. Temporal variations in two cereal-crop bird assemblages in southeastern Spain. In: Guti\u00e9rrez, J.F., Sanz-Zuasti, J. (Eds.), Conservacion de las aves esteparias y su habitat. Junta de Castilla y L\u00e9on, Valladolid, pp. 173\u2013181."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB21","unstructured":"H\u00f3dar, J.S., 1996b. Temporal variations in two shrub-steppe bird assemblages in southeastern Spain: the importance of winter for non-steppe birds. In: Guti\u00e9rrez, J.F., Sanz-Zuasti, J. (Eds.), Conservacion de las aves esteparias y su habitat. Junta de Castilla y L\u00e9on, Valladolid, pp. 137\u2013151."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB22","doi-asserted-by":"crossref","first-page":"316","DOI":"10.2307\/3543502","article-title":"Estimating relative densities of breeding birds by the line transect","volume":"26","author":"Jarvinen","year":"1975","journal-title":"Oikos"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB23","first-page":"103","article-title":"Estrutura e composi\u00e7\u00e3o das comunidades de aves nidificantes na regi\u00e3o de Castro Verde","volume":"2","author":"Leit\u00e3o","year":"1996","journal-title":"Ci\u00eancia e Natureza"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB24","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1016\/0006-3207(94)90357-3","article-title":"Habitat selection by the little bustard Tetrax tetrax in cultivated areas of Central Spain","volume":"67","author":"Mart\u0131\u0301nez","year":"1994","journal-title":"Biological Conserv."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB25","unstructured":"Mart\u0131\u0301nez, C., De Juana, E., 1996. Breeding bird communities of cereal crops in Spain: habitat requirements. In: Guti\u00e9rrez, J.F., Sanz-Zuasti, J. (Eds.), Conservacion de las aves esteparias y su habitat. Junta de Castilla y L\u00e9on, Valladolid, pp. 99-106."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB26","first-page":"391","article-title":"Avifauna reprodutora en los sistemas esteparizados ibericos","volume":"7","author":"Mart\u0131\u0301nez","year":"1993","journal-title":"Ecologia"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB27","doi-asserted-by":"crossref","unstructured":"Moreira, F., 1999. Relationships between vegetation structure and breeding bird densities in fallow cereal steppes of Castro Verde, Portugal Bird Study.","DOI":"10.1080\/00063659909461144"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB28","doi-asserted-by":"crossref","first-page":"255","DOI":"10.1017\/S0959270900003142","article-title":"A preliminary study on the breeding bird community in fallows of cereal steppes in Southern Portugal","volume":"6","author":"Moreira","year":"1996","journal-title":"Bird Conserv. Internat."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB29","unstructured":"Norusis, M.J., 1992. SPSS for Windows: Professional Statistics. Release 6."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB30","doi-asserted-by":"crossref","first-page":"223","DOI":"10.2307\/2409177","article-title":"Analysing tables of statistical tests","volume":"43","author":"Rice","year":"1989","journal-title":"Evolution"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB31","first-page":"251","article-title":"Les \u00e9tages bioclimatiques de la v\u00e9g\u00e9tation de la Peninsule Ib\u00e9rique","volume":"37","author":"Rivas-Mart\u0131\u0301nez","year":"1981","journal-title":"An. Jard. Bot. Madrid"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB32","unstructured":"Robson, N., 1997. The evolution of the Common Agricultural Policy and the incorporation of environmental considerations. In: Pain, D.J., Pienkowski, M.W. (Eds.), Farming and Birds in Europe. The Common Agricultural Policy and its Implications for Bird Conservation. Academic Press, San Diego. pp. 43\u201378."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB33","unstructured":"Salamonard, M., Bretagnolle, V., Boutin, J.M., 1996. Habitat use by Montagu\u2019s harrier, little bustard and stone curlew in Western France: Crop types and spatial heterogeneity. In: Fern\u00e1ndez, J., Sanz-Zuasti, J. (Eds.), Conservaci\u00f3n de las Aves Esteparias y su H\u00e1bitat. Junta de la Castilla y Leon, Valladollid, pp. 209-220"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB34","first-page":"95","article-title":"O abandono dos campos agr\u0131\u0301colas e suas implica\u00e7\u00f5es nas comunidades de aves nidificantes","volume":"2","author":"Santos","year":"1996","journal-title":"Ci\u00eancia e Natureza"},{"issue":"1","key":"10.1016\/S0167-8809(99)00114-0_BIB35","first-page":"17","article-title":"Patrones generales de la distribucion invernal de Passeriformes en la Peninsula Iberica","volume":"32","author":"Santos","year":"1985","journal-title":"Ardeola"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB36","unstructured":"Shulz, H., 1985. Grundlagenforschung zur Biologie der Zwergtrappe Tetrax tetrax. Braunschweig."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB37","unstructured":"Siegel, S., Castellan, Jr., 1988. Nonparametric Statistics for the Behavioral Sciences. McGraw\u2013Hill International eds."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB38","unstructured":"Su\u00e1rez, F., Naveso, M.A., De Juana, E., 1997. Farming in the drylands of Spain: birds of the pseudosteppes. In: Pain, D.J., Pienkowski, M.W. (Eds.), Farming and Birds in Europe. The Common Agricultural Policy and its Implications for Bird Conservation. Academic Press, San Diego. pp. 297\u2013330."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB39","unstructured":"Teller\u0131\u0301a, J.L., Santos, T., \u00c1lvarez, G., Sa\u00e9z-Royuela, C., 1988a. Avifauna de los campos de cereales del interior de Espa\u00f1a. In: Bernis, F. (Ed.). Aves de los medios urbano y agr\u0131\u0301cola en las mesetas espa\u00f1olas, Madrid, Monografias de la Sociedade Espa\u00f1ola de Ornitologia 2, SEO, pp. 173\u2013317."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB40","first-page":"171","article-title":"Bird communities of the Iberian shrub-steppes","volume":"11","author":"Teller\u0131\u0301a","year":"1988","journal-title":"Holarctic Ecol."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB41","unstructured":"Telleria, J.L.,Santos, T., Diaz, M., 1994. Effects of agricultural practices on bird populations in the Mediterranean region: the case of Spain. Proceedings Bird Numbers 1992, pp. 57\u201374."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB42","doi-asserted-by":"crossref","unstructured":"Ter Braak, C.J.F., 1987. CANOCO \u2014 A FORTRAN Program for Canonical Community Ordination by [partial] [detrended] [canonical] correspondence analysis (version 2.1). Wageningen: TNO Institute of Applied Computer Sciences.","DOI":"10.1007\/BF00038688"},{"key":"10.1016\/S0167-8809(99)00114-0_BIB43","unstructured":"Tucker, G.M., 1997. Priorities for bird conservation in Europe: the importance of the farmed landscape. In: Pain, D.J., Pienkowski, M.W. (Eds.), Farming and Birds in Europe. The Common Agricultural Policy and its Implications for Bird Conservation. Academic Press, San Diego, pp. 79\u2013116."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB44","unstructured":"Tucker, G.M., Heath, M.F., 1994. Birds in Europe: Their Conservation Status. Birdlife International, Cambridge."},{"key":"10.1016\/S0167-8809(99)00114-0_BIB45","doi-asserted-by":"crossref","unstructured":"Wiens, J.A., 1989. The Ecology of Bird Communities. Cambridge University Press, Cambridge.","DOI":"10.1017\/CBO9780511608568"}],"container-title":["Agriculture, Ecosystems & Environment"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0167880999001140?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0167880999001140?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,4,14]],"date-time":"2019-04-14T06:21:37Z","timestamp":1555222897000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0167880999001140"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2000,3]]},"references-count":45,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2000,3]]}},"alternative-id":["S0167880999001140"],"URL":"https:\/\/doi.org\/10.1016\/s0167-8809(99)00114-0","relation":{},"ISSN":["0167-8809"],"issn-type":[{"value":"0167-8809","type":"print"}],"subject":[],"published":{"date-parts":[[2000,3]]}}}