筛选
科学数据
统计数据
共检索到53条 ,权限内显示50条;
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Disturbance to permanent monitoring plots at GCE sites 1-10, from 2001 to 2016.
- 负责人:
- 关键词:
- DOI:
- doi:10.6073/pasta/af1eeabe9543e1aa440d0aa5a373321b
- 摘要:
- We established permanent vegetation monitoring plots in creekbank and midmarsh at GCE sites 1-10 in 2000. A dedicated Juncus zone was later ad
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: The influence of historical dispersal on the phylogenetic structure of tree communities in the tropical Andes
- 负责人:
- DOI:
- doi:10.5061/dryad.4fp2t08
- 摘要:
- (?-diversity). More specifically, we established 20 0.25-ha permanent tree inventory plots between 750 and 2802 m asl where all individuals
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Twelve years of repeated wild hog activity promotes population maintenance of an invasive clonal plant in a coastal dune ecosystem
- 负责人:
- 关键词:
- ungulate;disturbance;geophyte;perennial;Tuber;facilitation;Holocene;Sus scrofa;Cyperus esculentus
- DOI:
- doi:10.5061/dryad.168pg
- 摘要:
- ar mixed models, we tested the effect of wild hog disturbance on permanent sites for yellow nutsedge culm density, tuber density, and percent cover of native plant species over
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Canopy closure exerts weak controls on understory dynamics: a 30-year study of overstory-understory interactions
- 负责人:
- DOI:
- doi:10.5061/dryad.1q88j
- 摘要:
- vations of this process are rare. We use long-term data from 188 plots to explore patterns and correlates of variation in understory richness and abundance 15-45 yr after
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Beech roots are simultaneously colonized by multiple genets of the ectomycorrhizal fungus Laccaria amethystina cluster
- 负责人:
- DOI:
- doi:10.5061/dryad.7180nf60
- 摘要:
- (simple sequence repeat) markers. We identified two different genetic clusters of L. amethystina in all of the plots, suggesting that a process of sympatric isolation ma
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
A Comparison of Vegetation Responses to Grazing Yearlong, in the Growing Season, and in the Dormant Season on Low-Value Semidesert Grass-Shrub Ranges
- 负责人:
- 关键词:
- grazing semidesert grass-shrub ranges Arizona aboveground production data perennial and annual grasses
- DOI:
- doi:10.5063/aa/connolly.252.2
- 摘要:
- ennial and annual grasses. During Study 1706-09 measurements were taken on 12 pairs of sample plots in each of 6 pastures. Two permanent 100-ft. line transects wer
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
A Comparison of Vegetation Responses to Grazing Yearlong, in the Growing Season, and in the Dormant Season on Low-Value Semidesert Grass-Shrub Ranges
- 负责人:
- 关键词:
- grazing semidesert grass-shrub ranges Arizona aboveground production data perennial and annual grasses
- DOI:
- doi:10.5063/aa/connolly.252.1
- 摘要:
- ennial and annual grasses. During Study 1706-09 measurements were taken on 12 pairs of sample plots in each of 6 pastures. Two permanent 100-ft. line transects wer
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
A Comparison of Vegetation Responses to Grazing Yearlong, in the Growing Season, and in the Dormant Season on Low-Value Semidesert Grass-Shrub Ranges
- 负责人:
- 关键词:
- grazing semidesert grass-shrub ranges Arizona aboveground production data perennial and annual grasses
- DOI:
- doi:10.5063/aa/connolly.252.3
- 摘要:
- ennial and annual grasses. During Study 1706-09 measurements were taken on 12 pairs of sample plots in each of 6 pastures. Two permanent 100-ft. line transects wer
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Climate severity and land-cover transformation determine plant community attributes in Colombian dry forests
- 负责人:
- 关键词:
- forest structure;diversity;basal area;Legumes;canopy height;deciduous;branching;species richness
- DOI:
- doi:10.5061/dryad.138fd23
- 摘要:
- of Colombian TDF based on floristic and environmental data from 15 1-ha permanent plots. We also analyzed effects on groups of legumes species only (including
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
A Comparison of Vegetation Responses to Grazing Yearlong, in the Growing Season, and in the Dormant Season on Low-Value Semidesert Grass-Shrub Ranges
- 负责人:
- 关键词:
- grazing semidesert grass-shrub ranges Arizona perennial grass basal cover data shrub foliar cover data
- DOI:
- doi:10.5063/aa/connolly.235.7
- 摘要:
- during the summer growing season (approximately May through October). Pastures 2N and 6B were grazed yearlong. Two permanent 100-ft. line transects wer