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How much do poor rural households rely on environmental extraction from natural ecosystems? And how does climate variability impact their livelihoods?...
Read moreA study was made of the effect of secondarily treated effluent on the phosphorus budget of a central Florida freshwater marsh. Three 2000 m2 plots rec...
Read moreIn a 2nd year F. pratensis ley 5 values for belowground production (BGP) were estimated using 2 field methods: soil coring and ingrowth mesh bags. Soi...
Read moreSoon after the start of the transition to market economy in the early 1990s, Poland has experienced both a dramatic decline in the fertility rate and ...
Read moreThese proceedings contain papers presented at the 'Wildland Fire in the Appalachians: Discussions Among Managers and Scientists', held in Roanoke, Vir...
Read moreThe regeneration potential of oak following a disturbance or harvest that initiates stand regeneration is determined largely by the size structure of ...
Read moreRoot symbionts (rhizobia and arbuscular mycorrhizas) are often assumed to increase agricultural productivity consistently. However, rhizobial and myco...
Read moreThis paper addresses the errors that are associated with the long-term prediction of weed densities, and the effect of these errors on the performance...
Read moreFourteen grass swards which had been reclaimed from colliery spoil and urban clearance materials 1-7 years previously were dressed with nitrogen, phos...
Read moreField feeding by mallard ducks was not random; fodder barley and stubble fields were preferred and standing oat crops were avoided. Ducks were attract...
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