10.2 s-jSDM(联合物种建模)

## s-jSDM :可扩展的联合物种分布建模
## 可以反映物种环境、空间自相关和物种种间关系三者之间的联系和定量评估——2020最新发表的文章;
## 安装R包:
devtools::install_github("https://github.com/TheoreticalEcology/s-jSDM", subdir = "sjSDM")
## 参考案例:
devtools::install_github("https://github.com/TheoreticalEcology/s-jSDM", subdir = "sjSDM")
## 参考论文:
https://arxiv.org/abs/2003.05331
### A new method for faster and more accurate inference of species associations from novel community data

## 代码案例:
https://github.com/ghislainv/jSDM
https://github.com/TheoreticalEcology/s-jSDM/tree/master/sjSDM/vignettes
### 物种联合建模是SDM领域的重要热点方向,主要是通过以群落生态学位基础来探究物种或者物种间从上到下在大尺度上的变化规律与局域尺度之间的联系。
## 此外,物种联合建模的重要检测指标是种间连接度,种间连接度 是反映种群互作的重要指标SDM从大尺度点出发,利用gis中栅格建模统计原理统单个栅格中物种丰富,进而基于此构建在空间和时间上物种多样性以及群落连接度之间的关系。

## 或许有用的参考文献:
##
Thorson, J.T., Ianelli, J.N., Larsen, E., Ries, L., Scheuerell, M.D., Szuwalski, C., and Zipkin, E. 2016. Joint dynamic species distribution models: a tool for community ordination and spatiotemporal monitoring. Glob. Ecol. Biogeogr. 25(9): 11441158. doi:10.1111/geb.12464. url: http://onlinelibrary.wiley.com/doi/10.1111/geb.12464/abstract.
## 
Thorson, J.T., Scheuerell, M.D., Shelton, A.O., See, K.E., Skaug, H.J., and Kristensen, K. 2015. Spatial factor analysis: a new tool for estimating joint species distributions and correlations in species range. Methods Ecol. Evol. 6(6): 627637. doi:10.1111/2041-210X.12359. url: http://onlinelibrary.wiley.com/doi/10.1111/2041-210X.12359/abstract

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