Use of salt ponds by wintering shorebirds throughout the tidal cycle.

摘要: Abstract. Many salt ponds around the Mediterranean are being either abandoned or converted into aquaculture enterprises, which affects their use by migratory shorebirds. Effective management of can improve attractiveness to birds but requires a better understanding shorebirds' response variations in environmental conditions ponds. The main objectives this study were analyze relative importance different types pond (industrial, traditional and inactive) shorebirds throughout tidal cycle, as well determine factors that affect Birds counted during low high tides on Guadiana estuary, southeast Portugal. Simultaneously, each 212 pans studied recorded analyzed using logistic regression models. Although more used high-tide, many species stayed area lowt...