NDLI: Ecology and environmental impact of Javan rusa deer (Cervus timorensis russa) in the Royal National Park

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Ecology and environmental impact of Javan rusa deer (Cervus timorensis russa) in the Royal National Park

Content Provider	Semantic Scholar
Author	Moriarty, Andrew J.
Copyright Year	2004
Abstract	This thesis examines the ecology and environmental impact of rusa deer, Cervus timorensis, in Royal National Park (Royal NP). Wild deer are an emerging pest in many parts of Australia and their biology and impact on both native flora and fauna is largely unknown. This study aims to inform the management of this species. The study was conducted from September 1999 to December 2001 in Royal NP, 30 km south of Sydney, NSW, Australia. The ecology of rusa deer was divided into two sections, namely movement ecology (encompassing home-range, habitat use and dispersal) and population ecology (encompassing the study of density, rate of increase, reproduction, mortality, the presence of disease and parasites and body condition). Movement ecology was investigated by fitting radio-collars to a variety of age and sex classes of deer in several areas of the Park and monitoring their behaviour. Home-range size ranged from less than 1 km to 8 km. Most animals showed significant variation in their home-range between seasons, with increases in range most common in winter, perhaps in response to decreased food availability at this time. Analysis of habitat use within home-ranges showed that most animals centred their activity around cleared grassed areas flanked by forest, heath or woodland areas. The size of the home-range and the amount of cleared land in each home-range was highly correlated. Most deer shifted their range seasonally, however only three out of 29 radio-collared animals dispersed. All were sub-adult males between 1 and 2 years of age. All three animals were from high density deer areas and all dispersed to low density deer areas. This result, along with the observation that three other males in this age group from lowdensity deer areas did not disperse, suggests that dispersal in this population is density dependent.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://researchdirect.westernsydney.edu.au/islandora/object/uws:8253/datastream/PDF/download/citation.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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