筛选
科学数据
统计数据
共检索到455条 ,权限内显示50条;
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Geographic variation in Megalorchestia californiana allele frequencies may be caused by winter rather than summer temperatures
- 负责人:
- DOI:
- doi:10.5061/dryad.k172s
- 摘要:
- . The glucose-6-phosphate isomerase and mannose-6-phosphate isomerase allozyme polymorphisms in the amphipod crustacean Megalorchestia californiana have clines that are strongl
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Onychophoran-like musculature in a phosphatized Cambrian lobopodian
- 负责人:
- DOI:
- doi:10.5061/dryad.7r10b
- 摘要:
- , Tritonychus phanerosarkus gen. et sp. nov., preserved in the Orsten fashion by three-dimensional replication in phosphate. This first report of Palaeozoic
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
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
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
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
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Seasonal shifts in the importance of bottom-up and top-down factors on stream periphyton community structure
- 负责人:
- DOI:
- doi:10.5061/dryad.q436v45
- 摘要:
- for herbivores (grazers). Periphyton growth is often limited by the availability of nitrogen and phosphorus, and biomass can be controlled by grazers
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Increased root herbivory under elevated atmospheric carbon dioxide concentrations is reversed by silicon-based plant defences
- 负责人:
- Frew, Adam
- 关键词:
- silicon Atmospheric concentrations of CO2 below-ground herbivory climate change crop damage insect herbivore pest management plant defences sugarcane
- DOI:
- doi:10.5061/dryad.r3s16
- 摘要:
- combinations of ambient (aCO2) or elevated (eCO2) atmospheric CO2 concentrations; ambient silicon or silicon supplementation; insect-free or subject
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Impacts of soil nitrogen and phosphorus levels on cytotype performance of the circumboreal herb, Chamerion angustifolium: implications
- 负责人:
- DOI:
- doi:10.5061/dryad.0vt4gm8
- 摘要:
- influence cytotype dynamics and polyploid success. Low soil nitrogen and/or phosphorus concentrations often limit ecosystem primary productivity, and change
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Nitrate or ammonium: influences of nitrogen source on the physiology of a green alga
- 负责人:
- DOI:
- doi:10.5061/dryad.2k16k4b
- 摘要:
- es, especially under CO2- and phosphorus (Pi) limiting conditions. Therefore, we tested differences in cell characteristics of the green alga Chlamydomonas
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Rehabilitating the cyanobacteria – niche partitioning, resource use efficiency, and phytoplankton community structure during diazotroph
- 负责人:
- DOI:
- doi:10.5061/dryad.d0826
- 摘要:
- phytoplankton samples), known to harbor conspicuous and recurrent blooms of Nodularia spumigena and Aphanizomenon sp. 2. System-level phosphorus
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Stream chemistry for core sites in Gwynns Falls: concentration of Cl, NO3, PO4, total N and P, SO4, dissolved oxygen, E. coli, plus temperature, pH
- 负责人:
- 关键词:
- DOI:
- doi:10.6073/pasta/de140c21d863b12baf7fabf27e41574d
- 摘要:
- bottles. Weekly analyses includes nitrate, phosphate, total nitrogen, total phosphorus, chloride and sulfate, turbidity