tieyao的个人博客分享 http://blog.sciencenet.cn/u/tieyao

博文

按标题搜索
稳定、不稳定
2011-11-23 16:04
稳定的生境里,植物趋向于营养生殖。 不稳定的生境下,植物趋向于有性生殖。 I doubt if this is true. In closed communities, there may be low need for new types of the species, thus the established populations are close the the best nature in the community. However, this dependent on if r ...
3264 次阅读|没有评论
Dispersal is hard
2011-11-11 16:57
I did not present anything on the 2011 China plant systematics conference. That may be a little pity. However, I still get reward. Some of presentations provide me inspiration for my thinking on biogeography and evolution. One of such inspiration is regarding the dispersals. ...
3274 次阅读|没有评论
南美
2011-11-9 22:53
以前南美和东亚相似的类群很少,今天在workshop看秘鲁人的报告,发现其实有很多的共有的类群,一些广布的大属以及未被发现的属上近缘类群不可忽略。
3072 次阅读|没有评论
Kate Armstrong
热度 1 2011-11-8 10:58
读Kate Armstrong PdD thesis,Sapotaceae,非常不错!国内的学生包括自己确实有差距。革命尚未成功,同志仍需努力! Long distance dispersal was advocated in the paper as in many other case studies. I prefer this hypothesis to explain the biogeography of Solanaceae as well. A summary is badly ne ...
3232 次阅读|1 个评论 热度 1
岛屿!岛屿!
热度 1 2011-11-8 08:39
西沙群岛岛屿植物生物地理学 岛屿上的生物从来源上来说,是来自附近的岛屿或者大陆。相对于大陆,某一具体岛屿的位置和范围都是确定的,因此便于研究物种的迁入、灭绝和演替过程。可以说,岛屿是研究生物进化过程理想的天然实验室。达尔文在考察加拉帕格斯群岛时就为该群岛 ...
5623 次阅读|1 个评论 热度 1
Tens Rule
2011-11-4 17:00
Regarding organism's invasion, there is a generalization to explain the characteristics of this ecological process, i.e, the tens rule. The definition is: about 10% of all introduced species establish themselves and about 10% of these established species become invasive. It may hypothesized from ...
3846 次阅读|没有评论
PAUP bootstrap block
2011-10-25 10:28
Begin paup; log file=19Bauhinia_all_500bt.log replace; exclude uninf; set increase=auto; set criterion=parsimony; bootstrap nreps=500 keepall=yes treefile=19Bauhinia_all_500bt.out search=heuristic bseed=0/ start=stepwise addseq=random reconlimit=infinity multrees nreps=10 nchuck=10000 chuckscor ...
3916 次阅读|没有评论
MrBayes block
2011-10-22 15:03
Begin Mrbayes; charset ITS=1-1664; charset rps16=1665-2616; charset rps32=2617-3558; charset trnLF=3559-4922; partition favored=4: ITS,rps16,rps32,trnLF; set partition=favored; lset applyto=(1,2,3,4) nst=6 rates=invgamma; unlink statefreq=(all) revmat=(all) shape=(all) pinvar=(all); prs ...
4738 次阅读|没有评论
The Comparative Method in Evolutionary Anthropology and Biol
2011-10-22 02:28
The Comparative Method in Evolutionary Anthropology and Biology http://nunn.rc.fas.harvard.edu/groups/pica/ 分子系统进化,这个资料实用且易上手。 推荐。
2947 次阅读|没有评论
掉链子
2011-10-21 21:02
早上把单车链子碰断了,旁边有个修单车的,立马就接上了。不过当时还是担心,我这链子接上国产零部件能用多久啊?没想到晚上就真的又断了!这下可好了,还得专门跑去修!!!为什么就不能把质量做好一点呢?我多出点钱也行啊!现在纯粹是浪费大家的时间啊!
2387 次阅读|没有评论

Archiver|手机版|科学网 ( 京ICP备07017567号-12 )

GMT+8, 2024-10-15 22:57

Powered by ScienceNet.cn

Copyright © 2007- 中国科学报社

返回顶部