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在“
自然资源管理
”中,
命中:
32
条,耗时:小于0.01 秒
1.
Phytoplankton biomass is mainly controlled by hydrology and phosphorus concentrations in tropical hydroelectric reservoirs
作者:
Luciana M. Rangel (1) L煤cia H. S. Silva (1) Priscila Rosa (2) F谩bio Roland (2) Vera L. M. Huszar (1) vhuszar@gbl.com.br
关键词:
Cyanobacteria
8211
;
Nitrogen
;
fixing
8211
;
Nutrients
8211
;
Phytoplankton limitation
8211
;
Water residence time
8211
;
Zooplankton grazing
刊名:Hydrobiologia
年:2012
2.
Small tropical reservoirs and fish cage culture: a pilot study conducted in Machakos district, Kenya
作者:
Mary N. Kaggwa (1) David M. Liti (2) Michael Schagerl (3) michael.schagerl@univie.ac.at
关键词:
Aquaculture
8211
;
Fish cage farming
8211
;
Nutrients
8211
;
Primary productivity
8211
;
Water quality
刊名:Aquaculture International
出版者:Springer Netherlands
年:2011
3.
Optimizing Structural Best Management Practices Using SWAT and Genetic Algorithm to Improve Water Quality Goals
作者:
Prakash Kaini (1) pkaini@golder.com Kim Artita (1) John W. Nicklow (2)
关键词:
Genetic algorithm
8211
;
Watershed modeling
8211
;
Treatment goals
8211
;
SWAT
8211
;
Silver Creek
8211
;
Structural BMPs
刊名:Water Resources Management
出版者:Springer Netherlands
年:2012
4.
Identifying Homogeneous Water Quality Regions in the Nile River Using Multivariate Statistical Analysis
作者:
Ayman G. Awadallah (1) aawadallah@darcairo.com Mohsen Yousry (2)
关键词:
Multivariate analysis
8211
;
Principal components
8211
;
Cluster
8211
;
Water quality
8211
;
Nile River
刊名:Water Resources Management
出版者:Springer Netherlands
年:2012
5.
Ecosystem linkages revealed by experimental lake-derived isotope signal in heathland food webs
作者:
David Hoekman (1) dhoekman@wisc.edu Mireia Bartrons (2) Claudio Gratton (1)
关键词:
Aquatic
8211
;
terrestrial linkage
8211
;
Arthropod food web
8211
;
Cross
;
ecosystem subsidy
8211
;
Resource pulse
8211
;
Stable isotopes
刊名:Oecologia
年:2012
6.
Economics of intercropping loblolly pine and switchgrass for bioenergy markets in the southeastern United States
作者:
Andres Susaeta (1) asusaeta@ufl.edu Pankaj Lal (2) lalp@mail.montclair.edu Janaki Alavalapati (3) jrra@vt.edu Evan Mercer (4) emercer@fs.fed.us Douglas Carter (5) drcart@ufl.edu
关键词:
Bioenergy
8211
;
Switchgrass
8211
;
Loblolly pine
8211
;
Alley cropping
8211
;
Land expectation value
刊名:Agroforestry Systems
年:2012
7.
Diagnosis for ecological intensification of maize-based smallholder farming systems in the Costa Chica, Mexico
作者:
D. Flores-Sanchez (12) dfs@colpos.mx J. Kleine Koerkamp-Rabelista (1) H. Navarro-Garza (3) hermnava@colpos.mx E. A. Lantinga (1) J. C. J. Groot (1) M. J. Kropff (4) martin.kropff@wur.nl W. A. H. Rossing (1) walter.rossing@wur.nl
关键词:
Diagnosis
8211
;
Farming systems
8211
;
Nutrient use efficiency
8211
;
Nutrient balance
8211
;
Plant nutrition
8211
;
Erosion
8211
;
Maize
刊名:Nutrient Cycling in Agroecosystems
出版者:Springer Netherlands
年:2011
8.
Assessing the environmental status and identifying the dominant pressures of a trans-boundary river catchment, to facilitate efficient management and mitigation practices
作者:
E. Dimitriou (1) elias@ath.hcmr.gr A. Mentzafou (1) S. Zogaris (1) M. Tzortziou (1) K. Gritzalis (1) I. Karaouzas (1) Ch. Nikolaidis (2) cnikolae@med.duth.gr
关键词:
Water pollution
8211
;
Trans
;
boundary water management
8211
;
Evros River
8211
;
Ecological quality
刊名:Environmental Earth Sciences
年:2012
9.
Water and Sediment Quality in Lakes along the Middle and Lower Reaches of the Yangtze River, China
作者:
Jinglu Wu (1) w.jinglu@niglas.ac.cn Haiao Zeng (1) Hong Yu (2) Long Ma (3) Longsheng Xu (1) Boqiang Qin (1)
关键词:
Water quality
;
Heavy metal pollution
;
Lake status
;
Yangtze River
8211
;
China
刊名:Water Resources Management
年:2012
10.
Effects of wind erosion on the spatial heterogeneity of soil
nutrients
in two desert grassland communities
作者:
Junran Li
;
Gregory S. Okin
;
Lorelei Alvarez and Howard Epstein
关键词:
Spatial heterogeneity
;
Soil
nutrients
;
Soil carbon
;
Soil nitrogen
;
Wind erosion
;
Geostatistics
刊名:Biogeochemistry
年:2008
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