Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The avian population of an urban bushland reserve at Wollongong, New South Wales: implications for management
AbstractThis study focuses on the avian ecology and management of a 43.5 ha remnant hind-dune and estuary ecosystem in suburban Wollongong (population 200 000). In total, 62 land-bird species and 24 water-bird species were present between July 1984 and February 1987 (32 months). During area searches (n=12) in each calendar month, an average of 427 individuals of 31 species was recorded with an average species diversity of 70%. The avian population was characterised by a small number of species with high abundance and vice versa. Five species were migratory. Resident species ranged in abundance from the Eastern Whipbird Psophodes olivaceus (maximum population eight birds) to the New Holland Honeyeater Phylidonyris novaehollandiae (maximum population 200 birds). Numbers of the latter species increased markedly in autumn and winter when banksia and coral trees were rich with nectar. Most terrestrial species were habitat specialist, linked to the various microhabitats for food, nesting or protection. Recommendations to preserve the bird community are as follows: (1) the catchment should be managed to control siltation and contamination of the wetland, rather than dredging the estuary itself; (2) wetland diversity should be maintained by allowing water levels to vary naturally; (3) terrestrial microhabitats should be preserved by maintaining their structural and floristic diversity; (4) refuge areas should be established to minimise the impact of human-related disturbance; (5) a network of corridors should be provided to facilitate movement of birds into the reserve; (6) a buffer zone should be maintained around the reserve to shield the birdlife from suburban disturbance and domestic animals.
The avian population of an urban bushland reserve at Wollongong, New South Wales: implications for management
AbstractThis study focuses on the avian ecology and management of a 43.5 ha remnant hind-dune and estuary ecosystem in suburban Wollongong (population 200 000). In total, 62 land-bird species and 24 water-bird species were present between July 1984 and February 1987 (32 months). During area searches (n=12) in each calendar month, an average of 427 individuals of 31 species was recorded with an average species diversity of 70%. The avian population was characterised by a small number of species with high abundance and vice versa. Five species were migratory. Resident species ranged in abundance from the Eastern Whipbird Psophodes olivaceus (maximum population eight birds) to the New Holland Honeyeater Phylidonyris novaehollandiae (maximum population 200 birds). Numbers of the latter species increased markedly in autumn and winter when banksia and coral trees were rich with nectar. Most terrestrial species were habitat specialist, linked to the various microhabitats for food, nesting or protection. Recommendations to preserve the bird community are as follows: (1) the catchment should be managed to control siltation and contamination of the wetland, rather than dredging the estuary itself; (2) wetland diversity should be maintained by allowing water levels to vary naturally; (3) terrestrial microhabitats should be preserved by maintaining their structural and floristic diversity; (4) refuge areas should be established to minimise the impact of human-related disturbance; (5) a network of corridors should be provided to facilitate movement of birds into the reserve; (6) a buffer zone should be maintained around the reserve to shield the birdlife from suburban disturbance and domestic animals.
The avian population of an urban bushland reserve at Wollongong, New South Wales: implications for management
Wood, Kevin A. (Autor:in)
Landscape and Urban Planning ; 23 ; 81-95
14.12.1992
15 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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