“at community level, we found lower yield variability in crop mixtures compared to monocultures, although only in combination with fertilizer application under Mediterranean climate”
“Stipa-Bouteloua prairie was grazed by sheep at three stocking rates over a 19-year period”
e1
“Under continuous heavy grazing the vegetative cover and forage yield deteriorated mainly through the large increase in blue grama and the decrease in the more productive grasses”
“At the farm level, we observed a decrease in the number of plant species and phytosociological classes, and changes in plant composition, with increasing milk yield and livestock density”
covariances between the annual survival and the relative yield of perennialse0
Verbatim
e0
“Coexistence between annual and perennial species is promoted if the covariances between the annual survival and the relative yield of perennials, and between the yields of perennials and annuals, decrease and become more negative.”
“Stipa-Bouteloua prairie was grazed by sheep at three stocking rates over a 19-year period”
e1
“Under continuous heavy grazing the vegetative cover and forage yield deteriorated mainly through the large increase in blue grama and the decrease in the more productive grasses”
“Continue suppression of disturbance from wildfire will allow the lodgepole pine cover type, which experienced the lowest MFI during the settlement period, to be further invaded by tolerant species, leading to a decrease in stand diversity and more intense fires when they do occur.”
“Conversely the harvest of Q. ellipsoidalis aboveground biomass would result in net sequestration of carbon belowground due to its high allocation belowground, but would yield lower amounts of aboveground biomass.”
e1
“Plant carbon gains with P. strobus were paralleled by a decrease of 16% in soil carbon”
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Glycine max
Pinus contorta
Quercus ellipsoidalis