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| 1 | Spatial distributions of tropical tree species in northern Vietnam under environmentally variable site conditions显示文摘Ecological interactions of species and thus their spatial patterns may differ between homogeneous and heterogeneous forests. To account for this, techniques of point pattern analysis were implemented on mapped locations of tree individuals from two 1-ha tropicalforest plots in Vietnam. We analyzed the effect of environmental heterogeneity on tree distributions; spatial distribution patterns of dominant species; inter-specific associations; and conspecific associations between life stages. Our analyses showed that: environmental conditions were homogeneous at plot 1 but heterogeneous at plot 2; in both plots, all six dominant species were aggregated at various scales up to 30 m, and tree species were aggregated at larger scales in the homogeneous site than in the heterogeneous site; attraction between pairs of species was remarkably higher at the homogeneous site while negative associations were more frequent in the heterogeneous site; some species, H. kurzii, T. ilicifolia(homogeneous plot) and D. sylvatica, S. wightianum(heterogeneous plot),showed a lack of early life-stage individuals near conspecific adults. Moreover, additional clustering of young individuals was independent from conspecific adults, except D. sylvatica in both sites. These findings are consistent with the Janzen-Connell hypothesis. Overall, habitat heterogeneity influences spatial patterns and inter-specific associations of the tree species and evidences of self-thinning are shown in most species. | Nguyen Hong Hai Kerstin Wiegand Stephan Getzin | 2014 | Journal of Forestry Research2014，25，2： | 4 |
| 2 | Spatial patterns and competition of tree species in a Douglas-fir chronosequence on Vancouver Island显示文摘 | Getzin S Dean C He F | | 0，，： | 1 |
| 3 | Distribution of phorate and its oxidationanalogues in scots Pine显示文摘 | Saunders J L Getzin L W | 1973 | J of Ecoc Ento1973，66，53： | 1 |
| 4 | Genetically obese MMTV-TGF-alpha/ Lep(ob) Lep (ob) female mice do not develop mammary tumors显示文摘 | Cleary MP Phillips FC Getzin SC | 2003 | Breast Cancer Res Treat2003，77，3： | 1 |
| 5 | Heterogeneity influences spatial patterns and demo- graphics in forest stands 显示文摘 | GETZIN S WIEGAND T WIEGAND K | 2008 | Journal of Ecology2008，96，4： | 1 |
| 6 | Genetically obese MMTVTGF-alpha/Lep(ob)Lep(ob)female mice do not develop mammary tumors显示文摘 | Cleary MP Phillips FC Getzin SC | 2003 | Breast Cancer Res Treat2003，77，3： | 1 |
| 7 | Effects of topography on structuring local species assemblages in a Sri Lankan mixed dipteroearp forest 显示文摘 | PUNCHI-MANAGE R GETZIN S WIEGAND T 2013 | 2013 | J Ecol2013，101，1： | 1 |
| 8 | Spatial patterns and competition of tree species in a Douglas-fir chronosequence on Vancouver Island 显示文摘 | GETZIN S DEAN C HE F | 2006 | Ecography2006，29，5： | 1 |
| 9 | The relative importance of Janzen-Connell effects in influencing the spatial patterns at the Gutianshan subtropical forest 显示文摘 | ZHU Y GETZIN S WIEGAND T 2013 | 2013 | PLoS One2013，8，74： | 1 |
| 10 | Heterogeneity influences spatial patterns and demographics in forest stands显示文摘 | Getzin S Wiegand T Wiegand K He F | | 0，，： | 1 |
| 11 | 2013, Waiter's two-layer hypothesis revisited: back to the roots! 显示文摘 | Ward D Wiegand K Getzin S | 2013 | Oecologia2013，172，61： | 1 |
| 12 | Spatial patterns and competition of tree species in a Douglas-fir chronosequence on Vancouver Island显示文摘 | Getzin S Dean C He F Trofymow JA Wiegand K Wiegand T | 2006 | Ecography2006，29，5： | 1 |
| 13 | Unmet dental needs and arriers to care for children with significant special health care needs显示文摘 | Nelson LP Getzin A Graham D | 2011 | Pediatric Dentistry2011，33，1： | 1 |
| 14 | Degradation of chlorpyrifos in soil: influence of autoclav- ing, soil moisture, and temperature显示文摘 | Getzin L W | 1981 | Econ Entomol1981，74，： | 1 |
| 15 | Spatial patterns and competition of tee species in a Douglus-fir chronosequence on Vancouver Island显示文摘 | Getzin S Dean C He F | 2006 | Ecography2006，29，5： | 1 |
| 16 | Spatial patterns and competition of tree species in a Douglas-fir chronosequence on Vancouver Island显示文摘 | Getzin S Dean C He F L | 2006 | Ecography2006，29，5： | 1 |
| 17 | Spacing patterns of an Acacia tree in the Kalahari over a 6t-year period: how clumped becomes regular and vice versa 显示文摘 | Moustakas A Wiegand K Getzin S | 2008 | Acta Oecologica2008，33，3： | 1 |
| 18 | Degradation of chlorpyrifos in soil: influence of autoclaving, soil moisture, and temperature 显示文摘 | Getzin L W | 1981 | Journal of Econ Entomol1981，74，： | 1 |
| 19 | Scale-dependent com-petition at the stand level assessed from crown areas显示文摘 | Getzin S Wiegand K Schumacher J | 2008 | Forest Ecology and Management2008，255，7： | 1 |
| 20 | Spatial patterns and competition of tree species in a Douglas-fir chronosequence on Vancouver Island显示文摘 | Getzin S Dean C He F | | 0，，： | 1 |
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