Ashley A. Webb

ORCID: 0000-0001-8247-2375
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About
Contact & Profiles
Research Areas
  • Soil erosion and sediment transport
  • Hydrology and Sediment Transport Processes
  • Hydrology and Watershed Management Studies
  • Tree-ring climate responses
  • Plant Water Relations and Carbon Dynamics
  • Forest ecology and management
  • Fire effects on ecosystems
  • Soil and Water Nutrient Dynamics
  • Flood Risk Assessment and Management
  • Geological formations and processes
  • Forest Management and Policy
  • Soil Carbon and Nitrogen Dynamics
  • Forest Biomass Utilization and Management
  • Pasture and Agricultural Systems
  • Water resources management and optimization
  • Research in Cotton Cultivation
  • Island Studies and Pacific Affairs
  • Freshwater macroinvertebrate diversity and ecology
  • Rangeland and Wildlife Management
  • Forest Insect Ecology and Management
  • Invertebrate Taxonomy and Ecology
  • Wildlife-Road Interactions and Conservation
  • Ecology and biodiversity studies
  • Plant responses to elevated CO2
  • Forest Ecology and Biodiversity Studies

WaterNSW
2018-2023

Sydney Water
2022

New South Wales Department of Primary Industries
1986-2019

University of New England
2012-2015

NSW Forestry Corporation
2013

The University of Sydney
1999-2003

National Parks and Wildlife Service
2003

<p class="3">This article explores the relationship between open educational resources (OER) created by students for use other students, long-term sustainability of movement toward OER, and success who OER as part their core curricular materials. We begin providing definitions a broader context thinking about possibility student-created OER. then describe course in which have been slowly integrated into an online class over several years examine impact on student learning associated...

10.19173/irrodl.v18i4.3022 article EN cc-by The International Review of Research in Open and Distributed Learning 2017-06-16

Abstract Extensive desnagging (removal of large woody debris and living riparian vegetation) associated river improvement works were conducted in rivers southeastern Australia (Victoria New South Wales) between at least 1886 1995. Swamp drainage, removal vegetation clearing strongly supported by legislation, government funding institutional arrangements both states. As a result, amounts removed from rivers, regenerating indigenous was cleared within designed alignment widths and, ironically,...

10.1002/rra.750 article EN River Research and Applications 2003-04-29

Abstract Quantifying the tree transpiration (T) response to coupling effects of changing soil moisture and weather conditions provides insights into water use by forests, especially in dryland regions. This study was conducted a semi‐arid pure larch ( Larix principis‐rupprechtii ) plantation northwest China. The sap flow density trees, open field, main root zone (0–60 cm) were measured synchronously continuously throughout growing season 2010. daily T relative extractable (REW) potential...

10.1002/eco.1764 article EN Ecohydrology 2016-07-01

Abstract Tree transpiration (T) is a major water budget component and varies widely due to the integrated effects of many environmental vegetation factors. This study aimed separate, quantify, then integrate main individual factors, improve use estimation manage hydrological impacts forests. A field was conducted at 3 plots larch ( Larix principis-rupprechtii ) plantation in semi-humid area Liupan Mountains, northwest China. The influencing factors were atmospheric evaporative demand...

10.1038/s41598-019-41186-1 article EN cc-by Scientific Reports 2019-03-18

Abstract An accurate prediction of forest evapotranspiration (ET) based on its components in response to a changing environment is essential for understanding interactions between the atmosphere, soil, and vegetation integrated forest‐water management. The ET pure larch plantation were monitored over 2 years northwest China. functions each component individual driving factors determined using upper boundary lines, then coupled form modules, fitted with measured data 2016 (May–September),...

10.1029/2018jd028384 article EN Journal of Geophysical Research Atmospheres 2018-07-06

Abstract The intensity of soil loss and sediment delivery, representing hydrologic geomorphic processes within a catchment, accelerates with rapid changes in land cover rainfall events. An underlying component sustainable management water resources is an understanding spatial temporal variability the adverse influences regional parameters involved generating following widespread cover. A calibrated algorithm coupled delivery ratio (SDR) was applied raster data layers to improve capability...

10.1002/hyp.9805 article EN Hydrological Processes 2013-03-06

Six hundred and eightv-two quad rats were located ,.lCross the Western Australian wheatbelt adjacent regions to cover as much of geographical, edaphic geomorphological variation terrestrial plant communities possible.The study area covered 230,000 km' or 70% South West Botanical Province, one world's 25 biodiversity hotspots.It included all part six biogeographical centred on wheatbelt.The native vegetation in is highly fragmented with 74'1., having been cleared for agriculture.Clearing has...

10.18195/issn.0313-122x.67.2004.139-189 article EN Records of the Western Australian Museum Supplement 2004-01-01

Abstract Brigalow ( Acacia harpophylla )–Dawson gum (Eucalyptus cambageana) open forests are predominantly supported by solodic soils in central Queensland. This report describes relations between some physical, chemical and morphological properties of surface (0–0.10 m) within a virgin brigalow–Dawson forest. Soil property gradients were found to radiate horizontally from tree‐dominated non‐vegetated areas, indicative vegetation‐induction process. These reflect the importance litterfall...

10.1111/j.1442-9993.1986.tb01386.x article EN Australian Journal of Ecology 1986-06-01

Abstract Characteristics of large wood and its influence on bed scour pool formation have been investigated in four sand‐bed forest streams southeastern Australia. Sites included high‐energy bedrock‐confined near Sydney medium to low energy partially terrace‐confined the south coast NSW East Gippsland, Victoria. Total loadings were inversely correlated with bankfull specific stream power. At two lower sites, up 18% total volume comprised Tristaniopsis laurina trees living within channel. all...

10.1002/rra.839 article EN River Research and Applications 2005-02-01

Forest restoration in dryland mountainous areas is extremely difficult due to dry climate, complex topography and accelerating climate change. Thus, exact identification of suitable sites required. This study at a small watershed Qilian Mountains, Northwest China, aimed determine the important factors their thresholds limiting spatial distribution forests Qinghai spruce (Picea crassifolia), locally dominant tree species. The was divided into 342 units. Their location, terrain vegetation...

10.1038/s41598-017-05701-6 article EN cc-by Scientific Reports 2017-07-11
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