Results 81 to 90 of about 123,288 (302)
The impact of shifting cultivation in the forestry ecosystems of timor-leste [PDF]
, 2012 Every year thousands of hectares of forest are destructed as a result of the practice of swidden agriculture, shifting cultivation or "slush and burn" causing changes in forest ecosystems.
Henriques, Pedro +3 more
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Biological and environmental drivers of early life fawn survival in a declining pronghorn population
Wildlife Biology, EarlyView.Pronghorn Antilocapra americana occupy only a portion of their historical range and in Oklahoma occur at the eastern edge of the species' contemporary distribution. Monitoring has suggested pronghorn populations in Oklahoma have declined in recent years.
Derek P. Hahn +10 more
wiley +1 more source
Plant, Soil and Environment, 2002 During the years 1998-2000 soil chemical (Corg, Nt, pH), textural (sand, silt clay) and microbiological (microbial biomass carbon - CMB, microbial extracellular carbon - CEX, respiration, ammonification, nitrification) characteristics were tested on ...
K. Voříšek +5 more
doaj +1 more source
Economic Comparison of the Undercutter and Traditional Tillage Systems for Winter Wheat-Summer Fallow Farming [PDF]
Wind erosion and blowing dust are major problems for traditional tillage winter wheat-summer fallow in eastern Washington. Wind erosion reduces soil productivity and dust particulates are a major air quality concern.
Andrey A. Zaikin +2 more
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The effects of moose and pine density on browsing damage in Swedish pine forests
Wildlife Biology, EarlyView.Moose Alces alces is a culturally and economically important game species in Sweden, but their browsing on regenerating Scots pine trees Pinus sylvestris often causes extensive damage to the production and quality of timber. Forest and wildlife managers are faced with the dilemma of how to reduce damage to timber trees while also supporting moose ...
Oskar Franklin +3 more
wiley +1 more source
RISK-RETURN ANALYSIS OF INCORPORATING ANNUAL LEGUMES AND LAMB GRAZING WITH DRYLAND CROP ROTATIONS [PDF]
Profitability and risk, 1988-2001, are examined for lamb-grazed field pea as a fallow alternative with wheat, or an extended wheat-sunflower-millet rotation.
Delaney, Ronald H. +4 more
core +1 more source
Plant biomass nitrogen and effects on the risk of nitrate leaching of intercrops under organic farming in Eastern Austria [PDF]
, 2004 Data on the potential of intercrops to reduce soil nitrate contents, on their N accumulation and biological nitrogen fixation (BNF) are lacking for organic farming in the dry, pannonic region of Eastern Austria.
Farthofer, R. +5 more
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Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract Plants can respond to herbivore attack by inducing resistance traits that affect subsequent herbivore performance and behaviour. Here, we investigate how such induced responses in Solidago altissima L.
André Kessler, Katja Poveda
wiley +1 more source
Belowground effects of ground‐dwelling large herbivores in forest ecosystems
Journal of Animal Ecology, EarlyView.This study reviews how ground‐dwelling large herbivores affect forest soil and litter globally. Effects are context‐dependent, vary among species and forest types, and remain poorly studied in tropical forests, highlighting critical gaps in understanding nutrient cycling and ecosystem functioning.
Letícia Gonçalves Ribeiro +4 more
wiley +1 more source
MOISTURE SAVING METHODS AND TECHNOLOGIES IN ORENBURG AGRICULTURE
Зерновое хозяйство России, 2018 The article gives a review of published material concerning principal methods of spring moisture accumulation in soil in dry conditions of Orenburg and other regions of the South-East.
N. A. Maksyutov +6 more
doaj +2 more sources