Szukana fraza: [Opis = "In total, 298 transects \(each 600 m long\) were surveyed between 1987 and 1995 for otter Lutra lutra \(Linnaeus, 1758\) signs \(spraints, smears and jellies\) in the nine rivers of NE Spain. Also two stretches of the rivers Noguera Ribagorçana \(length 2 km\) and Noguera Pallaresa \(length 2.6 km\) in the Spanish Pyrenees were surveyed monthly between November 1989 and October 1990 for all otter tracks and signs. In both cases, all stones, rocks, beaches, hollows, caves, walls, shelves, and vegetation in the river and bankside within a 5 m band from the river edge \(each side\) were examined."]

Wyników: 1