Search National Agricultural Library Digital Collections

Limit your search

Subjects
Authors
Year
Series
Collections
Subjects
Authors
Year
pp12345pp
A-Z SortNumerical Sort
20085131
20094595
20064037
20073911
20103581
20053523
20042961
20032194
20112054
20021785
Series
Collections

You searched for:

Subjects ecosystemsx Collections Journal Articles, USDA Authors, Peer-Reviewedx
Displaying items 1 - 16 of 16 start over
Sort by: Relevance Title
1. An Object-Based Image Analysis of Pinyon and Juniper Woodlands Treated to Reduce Fuels
Author(s):
April Hulet , Bruce A. Roundy , Steven L. Petersen , Ryan R. Jensen , Stephen C. Bunting
Subject(s):
Artemisia , Juniperus , Pinus , cutting , ecosystems , fuel loading , fuels , image analysis , land cover , longevity , mastication , planning , prescribed burning , range management , rangelands , remote sensing , steppes , thematic maps , trees , woodlands , California , Nevada , Oregon , Utah
Year:
2014
2. Constraints and time lags for recovery of a keystone species (Dipodomys spectabilis) after landscape restoration
Author(s):
Bradley J. Cosentino , Robert L. Schooley , Brandon T. Bestelmeyer , Jeffrey F. Kelly , John M. Coffman
Subject(s):
Dipodomys , animal communities , ecosystems , grasslands , habitat conservation , habitats , keystone species , landscape management , models , shrubs , soil structure , temporal variation , vegetation cover , Chihuahuan Desert , New Mexico
Year:
2014
3. Delayed insect access alters carrion decomposition and necrophagous insect community assembly
Author(s):
Jennifer L. Pechal , M. Eric Benbow , Tawni L. Crippen , Aaron M. Tarone , Jeffery K. Tomberlin
Subject(s):
arthropods , biodiversity , bloat , carrion insects , community structure , dead animals , ecosystems , insect communities , leaves , meat carcasses , organic matter , plant litter , vertebrates
Year:
2014
4. Ecosystem Water Use Efficiency in a Semiarid Shrubland and Grassland Community
Author(s):
Emmerich, W.E.
Subject(s):
ecosystems , water use efficiency , semiarid zones , shrublands , grasslands , carbon , C4 plants , carbon dioxide , elevated atmospheric gases , evapotranspiration , grasses , climatic factors , growing season , precipitation , water , carbon sequestration , rangelands , C3 plants , Arizona
Year:
2007
5. Effects of Stocking Rate on the Variability of Peak Standing Crop in a Desert Steppe of Eurasia Grassland
Author(s):
Zhongwu Wang , Shuying Jiao , Guodong Han , Mengli Zhao , Haijun Ding , Xinjie Zhang , Xiaoliang Wang , Eldon L. Ayers , Walter D. Willms , Kris Havsatad , Lata A , Yongzhi Liu
Subject(s):
ecosystems , forbs , grasslands , grazing , grazing management , perennials , plant communities , sheep , shrubs , steppes , stocking rate , China , Eurasia
Year:
2014
6. Genotypic variation in traits linked to climate and aboveground productivity in a widespread C4 grass: Evidence for a functional trait syndrome
Author(s):
Michael J. Aspinwall , David B. Lowry , Samuel H. Taylor , Thomas E. Juenger , Christine V. Hawkes , Mari-Vaughn V. Johnson , James R. Kiniry , Philip A. Fay
Subject(s):
C4 plants , Panicum virgatum , aboveground biomass , carbon nitrogen ratio , chlorophyll , climate , climate change , ecosystems , flowering , genotype , grasses , grasslands , growing season , heritability , latitude , leaves , nitrogen , photosystem II , primary productivity , water use efficiency , Nebraska , Texas
Year:
2013
7. Implications of Longer Term Rest From Grazing in the Sagebrush Steppe
Author(s):
K. W. Davies , M. Vavra , B. Schultz , N. Rimbey
Subject(s):
Artemisia , annual grasslands , annual weeds , defoliation , ecosystems , environmental degradation , fuels , grasses , grazing , grazing management , growing season , managers , plant communities , range management , risk , steppes , wildfires
Year:
2014
8. Is Fire Exclusion in Mountain Big Sagebrush Communities Prudent? Soil Nutrient, Plant Diversity, and Arthropod Response to Burning
Author(s):
Kirk W. Davies , Jon D. Bates , Chad S. Boyd , Aleta M. Nafus
Subject(s):
Araneae , Artemisia tridentata , Hemiptera , Heteroptera , arthropod communities , arthropods , burning , conifers , ecosystem management , ecosystems , land management , managers , mountains , nutrient availability , nutrient content , plant communities , soil , soil nutrients , wildlife , wildlife management , Oregon
Year:
2014
9. Soil-mediated effects of subambient to increased carbon dioxide on grassland productivity
Author(s):
Philip A. Fay , Virginia L. Jin , Danielle A. Way , Kenneth N. Potter , Richard A. Gill , Robert B. Jackson , H. Wayne Polley
Subject(s):
C4 plants , carbon dioxide , carbon dioxide enrichment , ecosystems , grasses , grassland soils , grasslands , nitrogen , nutrient availability , photosynthesis , primary productivity , soil fertility , soil water
Year:
2012
10. Sound management may sequester methane in grazed rangeland ecosystems
Author(s):
Chengjie Wang , Guodong Han , Shiping Wang , Xiajie Zhai , Joel Brown , Kris M. Havstad , Xiuzhi Ma , Andres Wilkes , Mengli Zhao , Shiming Tang , Pei Zhou , Yuanyuan Jiang , Tingting Lu , Zhongwu Wang , Zhiguo Li
Subject(s):
carbon footprint , carbon sequestration , ecosystems , global warming , grazing , livestock , livestock production , methane , methane production , range management , rangelands , China
Year:
2014
11. Taking the pulse of a continent: Expanding site-based research infrastructure for regional- to continental-scale ecology
Author(s):
Debra P. C. Peters , Henry W. Loescher , Michael D. SanClements , Kris M. Havstad
Subject(s):
ecologists , ecosystems , energy , funding , global change , infrastructure , scientists
Year:
2014
12. The changing role of shrubs in rangeland-based porduction systems: Can shrubs increase our forage supply?
Author(s):
Richard E. Estell , Kris M. Havstad , Andres F. Cibils , Dean M. Anderson , T. Scott Schrader
Subject(s):
byproducts , ecosystems , forage , grasslands , grazing , livestock , livestock and meat industry , range management , rangelands , shrubs , vegetation cover , woody plants
Year:
2014
13. The role of prescribed burn associations in the application of prescribed fires in rangeland ecosystems
Author(s):
David Toledo , Urs P. Kreuter , Michael G. Sorice , Charles A. Taylor
Subject(s):
attitudes and opinions , ecoregions , ecosystems , fire regime , humans , landowners , prescribed burning , questionnaires , range management , rangelands , risk , surveys , watersheds , Texas
Year:
2014
14. Using an IBI to assess effectiveness of mitigation measures to replace loss of a wetland-stream ecosystem
Author(s):
Teels, B.M. , Mazanti, L.E. , Rewa, C.A.
Subject(s):
wetlands , wetland conservation , ecological restoration , fish , streams , ecosystems , anthropogenic activities , Virginia
Year:
2004
15. Using very-large-scale aerial imagery for rangeland monitoring and assessment: Some statistical considerations
Author(s):
Jason W. Karl , Michael C. Duniway , Sarah M. Nusser , Jean D. Opsomer , Robert S. Unnasch
Subject(s):
ecosystems , image analysis , landscapes , managers , monitoring , probability , range management , rangelands , remote sensing
Year:
2012
16. Valuing and Rewarding Ecosystem Services From Rangelands
Author(s):
Neil D. MacLeod , Joel R. Brown
Subject(s):
ecological value , ecosystem services , ecosystems , markets , models , private sector , public sector , rangelands
Year:
2014