Search National Agricultural Library Digital Collections

You searched for:

Subjects plant communities Remove constraint plant communities: plant communities Authors Davies, Kirk W. Remove constraint Davies, Kirk W.: Davies, Kirk W. Year 2010 Remove constraint 2010: 2010

Displaying all 5 items start over

1. Effects of Long-Term Livestock Grazing on Fuel Characteristics in Rangelands: An Example From the Sagebrush Steppe

Description:: Includes references
Author:: Davies, Kirk W. , Bates, Jonathan D. , Svejcar, Tony J. , Boyd, Chad S.
Subject:: rangelands , livestock , grazing , fuels (fire ecology) , wildfires , fire hazard , fire hazard reduction , fire intensity , fire severity , long term experiments , shrubs , grasslands , vegetation cover , spatial variation , height , steppes , plant communities , semiarid zones , arid zones , fire suppression , land management , Oregon
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

2. Estimating Juniper Cover From National Agriculture Imagery Program (NAIP) Imagery and Evaluating Relationships Between Potential Cover and Environmental Variables

Description:: Includes references
Author:: Davies, Kirk W. , Petersen, Steven L. , Johnson, Dustin D. , Davis, D. Bracken , Madsen, Matthew D. , Zvirzdin, Daniel L. , Bates, Jon D.
Subject:: Juniperus occidentalis , woody weeds , woodlands , geographical distribution , invasive species , ecological invasion , vegetation cover , remote sensing , image analysis , plant communities , land restoration , aerial photography , air temperature , plant available water , slope , aspect , altitude , environmental factors , spatial data , Oregon
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

3. Native Perennial Forb Variation Between Mountain Big Sagebrush and Wyoming Big Sagebrush Plant Communities

Description:: Includes references
Author:: Davies, Kirk W. , Bates, Jon D.
Subject:: Artemisia tridentata , forbs , perennials , indigenous species , plant communities , species diversity , biomass production , Oregon
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

4. Non-native competitive perennial grass impedes the spread of an invasive annual grass

Description:: Includes references
Author:: Davies, Kirk W. , Nafus, Aleta M. , Sheley, Roger L.
Subject:: Taeniatherum caput-medusae , grass weeds , invasive species , annuals , ecological invasion , biodiversity , functional diversity , population growth , spatial distribution , plant competition , plant communities , botanical composition , seeds , Agropyron desertorum , introduced plants , soil fertility , ammonium nitrogen , potassium , vegetation , plant density , perennials , Oregon
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

5. Vegetation Characteristics of Mountain and Wyoming Big Sagebrush Plant Communities in the Northern Great Basin

Description:: Includes references
Author:: Davies, Kirk W. , Bates, Jon D.
Subject:: Artemisia tridentata , shrubs , rangelands , vegetation , botanical composition , plant communities , environmental factors , genotype , ecotypes , genetic variation , dry matter accumulation , vegetation cover , forbs , perennials , grazing , wildlife , land management , habitats , Oregon , Nevada
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010