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生长标度--腕足动物异速生长研究中的定量指标
Alternative TitleGROWTH METRIC--A QUANTITATIVE INDEX FOR BRACHIOPOD ALLOMETRY RESEARCH
张雨晨1; 黄冰1; 詹仁斌1; Sproat Colin D1; 周航行1
2019
Source Publication古生物学报
ISSN0001-6616
Volume058Issue:001Pages:122-129
Abstract

"生长标度"定义了在研究腕足动物异速生长时所需的个体生长发育定量指标,其数值大小受到壳长、壳宽、壳厚以及相对应权重的共同控制。将腕足动物待研究性状的测量值与其生长标度作为两个变量进行二元回归分析,可判断该性状是否存在与腕足动物个体发育不等的生长速率,即异速生长。该指标对凯迪期(Katian)(晚奥陶世)腕足动物无洞贝类Rongatrypa xichuanensis的定量分析表明,该种腕足动物的壳宽与个体发育保持同步,壳长呈负异速生长,壳厚呈正异速生长,指示出该种生物在生长过程中总体向横宽方向伸展,并伴随着壳体的加快增厚。

Other Abstract

The term "Growth metric" is introduced in this paper to measure the degree of ontogeny for research about the allometry of brachiopods. The metric is calculated by length, width and thickness of shell with their separate weights. Regression analysis for the measurements together with growth metric of some shell’s dimensions of brachiopods can provide evidences for existence of allometry for the fossil population. A case study on Rongatrypa xichuanensis, a Katian(Late Ordovician) atrypide species, indicated that isometry of shell width, negative allometry of shell length and positive allometry of shell thickness can be detected by the statistics study on growth metric for the species.

Keyword生长标度 腕足动物 异速生长 凯迪期(晚奥陶世) Rongatrypa xichuanensis
Indexed ByCSCD
Language中文
CSCD IDCSCD:6471844
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/32677
Collection中国科学院南京地质古生物研究所
Affiliation1.中国科学院南京地质古生物研究所
2.中国科学院南京地质古生物研究所
3.中国科学院南京地质古生物研究所
4.中国科学院南京地质古生物研究所
5.中国科学院南京地质古生物研究所
First Author Affilication中国科学院南京地质古生物研究所
Recommended Citation
GB/T 7714
张雨晨,黄冰,詹仁斌,等. 生长标度--腕足动物异速生长研究中的定量指标[J]. 古生物学报,2019,058(001):122-129.
APA 张雨晨,黄冰,詹仁斌,Sproat Colin D,&周航行.(2019).生长标度--腕足动物异速生长研究中的定量指标.古生物学报,058(001),122-129.
MLA 张雨晨,et al."生长标度--腕足动物异速生长研究中的定量指标".古生物学报 058.001(2019):122-129.
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