Baldwin J D, Baldwin J I
Department of Sociology, University of California, 93106, Santa Barbara, California, USA.
Primates. 1972 Dec;13(4):371-9. doi: 10.1007/BF01793657.
Eight troops ofAlouatta villosa (= A. palliata) were studied for 10 weeks in a natural forest in southwestern Panama. This is one of the few extended studies on the species to be conducted in a location other than Barro Colorado Island. The 151 animals belonging to 8 troops and 6 additional isolates utilized 37 acres of forest. This population density was 21 times greater than on Barro Colorado in 1932 and 12 times than on Barro Colorado in 1967. The average troop size was 18.9 animals; the average home range was 12.1 acres. Home ranges overlapped extensively and on the average troops had only 6% of their home range for exclusive use. There were no signs that the howling monkeys were exhausting their food supply or were experiencing decreased fertility. Several factors that could function in population control are evaluated.
在巴拿马西南部的一片天然森林中，对八群绒毛蛛猴（= 长毛吼猴）进行了为期10周的研究。这是在巴罗科罗拉多岛以外的地点对该物种进行的少数长期研究之一。属于8个猴群的151只动物以及另外6只单独的猴子利用了37英亩的森林。这个种群密度比1932年巴罗科罗拉多岛的种群密度高21倍，比1967年巴罗科罗拉多岛的种群密度高12倍。平均每个猴群有18.9只猴子；平均活动范围为12.1英亩。活动范围广泛重叠，平均每个猴群只有6%的活动范围供其专用。没有迹象表明吼猴的食物供应即将耗尽或繁殖力下降。文中评估了几个可能在种群控制中起作用的因素。
