Seasonal or ecological differences in diet and molar microwear in Cebus nigrivittatus.
Seasonal or ecological differences in diet and molar microwear in Cebus nigrivittatus.
复制标题
Cebus nigrivittatus 饮食和臼齿微磨损的季节性或生态差异。
DOI：
10.1002/ajpa.1330800312
复制
发表时间：
1989
影响因子：
2.8
通讯作者：
Robinson,JG
中科院分区：
文献类型：
--
作者：
Teaford,MF;Robinson,JG
牙齿微磨损分析为功能形态学家提出了新的希望和问题。一个希望是，分析将允许洞察灭绝物种的微妙饮食差异。一个主要的问题是，是否季节和/或栖息地的差异，牙齿微磨损可靠detected.The广泛的收集ofCebus nigrivittatus获得的史密森尼委内瑞拉项目使我们能够检查牙齿微磨损的季节和栖息地的差异。从三个不同的生态生活区，分别由降雨量和季节性的标本收集。环境变化通常与资源可利用性的变化相关，在C。黑纹，影响饮食。已发表的实地研究表明，这些动物更依赖于干燥的硬水果和几丁质无脊椎动物在干燥的时间和多汁的水果和毛毛虫在潮湿的时候的year.As在以前的微磨损分析，环氧树脂复制品制备的牙齿印模，并复制品进行了检查下扫描电子显微镜。对每个标本的M2上的小平面9拍摄两张显微照片。本文计算了62个个体的微坑比例、微坑宽度和微坑宽度的平均值，并采用多重比较检验对不同生态区和采集日期的个体进行了比较。nigrivittatus可能是可靠的检测，1）他们是小的规模，2）他们只在某些生态生活区检测到，3）他们不是数量级，将掩盖主要种间差异的臼齿微磨损，如那些之间的C。阿佩拉和C.黑纹
Dental microwear analyses have raised new hopes and questions for functional morphologists. One hope is that analyses will allow insights into subtle dietary differences of extinct species. One major question is whether seasonal and/or habitat differences in dental microwear are reliably detectable.The extensive collections ofCebus nigrivittatusobtained by the Smithsonian Venezuelan Project allowed us to examine seasonal and habitat differences in dental microwear. Specimens were collected from three distinct ecological life zones that are distinguished by both the amount of rainfall and its seasonability. Environmental variation is generally correlated with variation in resource availability which, inC. nigrivittatus, affects diet. Published field studies indicate that these animals depend more on dry hard fruit and chitinous invertebrates during drier times and succulent fruits and caterpillars during wetter times of the year.As in previous microwear analyses, epoxy replicas were prepared from dental impressions, and the replicas were examined under a scanning electron microscope. Two micrographs were taken of facet 9 on M2of each specimen. Mean values for the proportion of pits (vs. scratches), pit wdith, and scratch width were computed for each of 62 individuals and compared between ecological zones and collecting dates by using a multiple comparison test.Results indicate that, while seasonal differences in molar microwear inC. nigrivittatusare perhaps reliably detectable, 1) they are small in magnitude, 2) they are only detectable in certain ecological life zones, and 3) they are not of the order of magnitude that will obscure major interspecific differences in molar microwear such as those betweenC. apellaandC. nigrivittatus.
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DOI：
10.1073/pnas.84.2.537
发表时间：
1987
影响因子：
11.1
作者：
S. Parthasarathy;L. Fong;D. Otero;D. Steinberg
通讯作者：
S. Parthasarathy;L. Fong;D. Otero;D. Steinberg
维生素 E 和神经功能：无β脂蛋白血症和其他脂肪吸收障碍。
DOI：
10.1002/9780470720820.ch8
发表时间：
1983
期刊：
Ciba Foundation symposium
影响因子：
--
作者：
D. Muller;J. K. Lloyd;O. H. Wolff
通讯作者：
O. H. Wolff
影响因子：
56.9
作者：
ELNER, VM;SCHAFFNER, T;GLAGOV, S
通讯作者：
GLAGOV, S
DOI：
10.1016/0005-2760(72)90034-3
发表时间：
1972-01-01
期刊：
BIOCHIMICA ET BIOPHYSICA ACTA
影响因子：
--
作者：
BILHEIMER, DW;LEVY, RI;EISENBERG, S
通讯作者：
EISENBERG, S
影响因子：
64.5
作者：
BROWN, MS;GOLDSTEIN, JL
通讯作者：
GOLDSTEIN, JL