http://wiki.ecol-ist.org/ 2012-05-20T12:42:28-06:00 http://wiki.ecol-ist.org/ http://wiki.ecol-ist.org/lib/tpl/default/images/favicon.ico text/html 2012-04-23T15:35:49-06:00 cywhale http://wiki.ecol-ist.org/doku.php?id=awa&rev=1335216949&do=diff 巴西伐木商 屠殺原民惡行曝光 2012-4-24 自由時報 原民部落 瀕臨滅絕 〔國際新聞中心／綜合報導〕為開發巴西亞馬遜森林，伐木公司竟然雇用槍手狙擊當地原住民，導致一支全族僅存355人的原住民部落瀕臨滅絕，人道組織怒斥這種作法形同種族滅絕，原住民維權組織在奧斯卡金像獎影帝柯林佛斯（Colin Firth）支持下，發動遏止屠殺運動，呼籲政府等機構介入。 text/html 2012-02-27T18:00:12-06:00 cywhale http://wiki.ecol-ist.org/doku.php?id=spatial_analysis&rev=1330390812&do=diff spatial analysis spatial structure in ecology Spatial structures observed in ecological communities can arise from two independent processes (Legendre, 1993, Legendre and Legendre, 1998, Section 1.1, Fortin and Dale, 2005, Chapters 1 and 5). Environmental factors that influence species distributions are usually spatially structured and then, through an indirect process, communities of species are also spatially structured; this process is called induced spatial dependence. Spatial autocorrelat… text/html 2012-02-27T06:50:40-06:00 cywhale http://wiki.ecol-ist.org/doku.php?id=autocorrelation&rev=1330350640&do=diff statistics in ecology see also spatial analysis, 空間迴歸模型 the autocorrelation of a series ryy(k) may be defined as the ratio of its autocovariance syy(k) to its variance s2y = syy(0) 《Numerical Ecology with R》p655 spatial autocorrelation is known to influence the interpretation of statistical models by affecting tests of significance of the association between species distributions and envi-ronmental factors (Selmi and Boulinier 2001, Legendre et al. 2002, Peres-Neto 2004), as well as calculated … text/html 2012-02-21T21:47:38-06:00 cywhale http://wiki.ecol-ist.org/doku.php?id=mem&rev=1329886058&do=diff spatial analysis,statistics in ecology 《Numerical Ecology with R》Old version? p263 The PCNM method provides an elegant way of constructing sets of linearly independent spatial variables. Since its publication, it has gained a wide audience and has been applied in several research papers. But it is not the end of the story. text/html 2012-02-21T18:44:52-06:00 cywhale http://wiki.ecol-ist.org/doku.php?id=moran_s_i&rev=1329875092&do=diff spatial analysis,statistics in ecology see also: globalmorani moran_scatter_plot correlogram 空間迴歸模型 autocorrelation 《Numerical Ecology with R》p716: Moran’s I formula is related to Pearson’s correlation coefficient; its numerator is a covariance, comparing the values found at all pairs of points in turn, while its denominator is the maximum-likelihood estimator of the variance (i.e. division by n instead of n – 1); in Pearson’s r, the denominator is the product of t… text/html 2012-02-21T18:21:37-06:00 cywhale http://wiki.ecol-ist.org/doku.php?id=correlogram&rev=1329873697&do=diff R sp.correlogram {spdep} correlog {pgirmess} Different Moran's I correlograms using correlog{ncf} and sp.correlogram{spdep} from [R-sig-Geo] It's said.... “No, because correlog{ncf} bins the distances, but sp.correlogram{spdep} adds higher order lags - here the second lag of i (with first order neighbours j) is the set of all points k that are neighbours of points j and neither i nor in j. It depends on graph edge counts, not distance as such. They aren't comparable, really. If you want… text/html 2012-02-21T06:06:47-06:00 cywhale http://wiki.ecol-ist.org/doku.php?id=stationary&rev=1329829607&do=diff statistics At this stage of series analysis, it is assumed that the data series is stationary, either because it originally exhibited no trend or as the result of trend extraction(Section 12.2). It is also assumed that variability is large enough to emerge from random noise. text/html 2012-02-19T04:11:50-06:00 cywhale http://wiki.ecol-ist.org/doku.php?id=%E9%9D%92%E7%9E%91%E8%9B%87&rev=1329649910&do=diff 台南 自然史 04‧【清代南瀛地區的海岸線變遷】/趙文榮 一、緒言 清代南瀛地區的海岸線變遷，其變化的原因，除了西南部海岸的隆起之外，最為重要的關鍵，則是曾文溪與急水溪兩溪流沖刷搬運與堆積作用，直接造成臺江內海與倒風內海的陸化，從而改變清代臺南地區的海岸線，並進而影響了清代南瀛地區的產業經濟，也影響南瀛地區在全臺政經地位的變遷，因之，頗值一探，即嘗試由清代方志輿圖、港口數量等面向析論之。 二、清代方志輿圖上的海岸線變化… text/html 2012-02-11T08:30:59-06:00 cywhale http://wiki.ecol-ist.org/doku.php?id=%E8%9F%B9%E5%B7%A5%E8%88%B9&rev=1328974259&do=diff 人權, 勞工, 資本主義, canon camera 平成年間的蟹工船--沒有椅子的佳能電子 作者 雷路許的小小讀書室 blog中寫：「《蟹工船》，是日本知名社會主義文學家小林多喜二在二戰前寫成的一部作品，故事內容是敘述一群勞工在捕蟹船上受到種種不人道的壓榨，最後起而反抗的故事。因為這個故事把勞工受壓迫的情狀寫得太生動了，所以從此以後，日本人都稱壓榨勞工的所謂「血汗工廠」為「蟹工船」。照理說，蟹工船的故事距離今日已有七八十年之久，社會對於勞工的保障也應該有所進步才對，… text/html 2012-02-05T08:00:17-06:00 cywhale http://wiki.ecol-ist.org/doku.php?id=mixed_effects&rev=1328454017&do=diff statistics, linear regression modelling see Some Notes on Mixed Models “A mixed-effects model or simply a mixed model is a model that includes a mixture of fixed and random factors. Recall that each factor in an experiment has levels. The effects associated with a factor are the effects that the levels of the factor have on the response variable of interest.