筛选
科学数据
统计数据
共检索到264条 ,权限内显示50条;
Changes in anthropogenic influences on streams and rivers in the conterminous U.S. over the last 40 years, derived for 16 data themes
- 负责人：
- 关键词：
- DOI：
- doi:10.5066/f7xw4j1j
- 摘要：
- -2012 and 2001-2011), (9) land use in 200-meter flow distance riparian buffers (1974-2012), (10) nitrogen and phosphorus application from fertilizer (1987
Data from: Rising CO2 accelerates phosphorus and molybdenum limitation of N2-fixation in young tropical trees
- 负责人：
- DOI：
- doi:10.5061/dryad.07nd0hc
- 摘要：
- that complex patterns of nutrient limitation can develop as CO2 rises, potentially suppressing tropical N2-fixation and new inputs of N nee
Data from: Short-distance barriers affect genetic variability of Rhizophora mangle L. in the Yucatan Peninsula
- 负责人：
- DOI：
- doi:10.5061/dryad.1578ks0
- 摘要：
- r morphological variability and relationship with the availability of phosphorus and salinity were analyzed. The diversity and genetic structure were estimated at different
Data from: Nutrient addition affects scaling relationship of leaf nitrogen to phosphorus in Arabidopsis thaliana
- 负责人：
- DOI：
- doi:10.5061/dryad.2c3fb1k
- 摘要：
- of the type of nutrient addition, the scaling relationship for pooled data of the five levels of N addition was insignificant at two growth stages (young-leaf
Data from: Modelling and simulation of a thermally induced optical transparency in a dual micro-ring resonator
- 负责人：
- 关键词：
- Resonator;transparency;mathematical modelling;Micro-ring;Optical;physics;thermal;Sensor;photonics
- DOI：
- doi:10.5061/dryad.36n7v
- 摘要：
- . The 130?nm silicon on insulator rib fabrication process is adopted for the simulation of the dual-ring configuration. Two titanium nitride heaters ar
Data from: Spatial, temporal, and experimental: three study design cornerstones for establishing defensible numeric criteria in freshwater ecosystems
- 负责人：
- DOI：
- doi:10.5061/dryad.2mn480b
- 摘要：
- with total phosphorus (TP) throughout the two?year field study. This occurred despite temporal shifts in species composition between two hydrologically distinct years and ove
Data from: Constraining the role of early land plants in Early Palaeozoic weathering and global cooling
- 负责人：
- DOI：
- doi:10.5061/dryad.6dh6g
- 摘要：
- How the colonization of terrestrial environments by early land plants over 400 Ma influenced rock weathering, the biogeochemical cycling of carbon and phosphorus
Data from: Community assembly and drivers of phytoplankton functional structure
- 负责人：
- DOI：
- doi:10.5061/dryad.p811t
- 摘要：
- of the Baltic Sea, using species-specific morphological and ecological functional traits (ability to fix atmospheric nitrogen, mixotrophy, use of silica in cell walls
Data from: Surface and subsurface phosphorus discharge from a clay soil in a 9-year study comparing no-till and plowing
- 负责人：
- Uusitalo, Risto
- DOI：
- doi:10.5061/dryad.5bd4fs3
- 摘要：
- No-till as a water protection measure is highly efficient in controlling erosion and particulate phosphorus (PP) loss, but tends to increase
Data from: Phosphorus amendment mitigates nitrogen addition-induced phosphorus limitation in two plant species in a desert steppe, China
- 负责人：
- DOI：
- doi:10.5061/dryad.129g9
- 摘要：
- Background and aims: The increasing deposition of atmospheric nitrogen (N) due to anthropogenic activities has significantly enhanced N inputs
