Now showing items 1-10 of 323
Microbial Cycling of C and N in Northern Hardwood Forests Receiving Chronic Atmospheric NO 3 − Deposition
(Springer-Verlag; Springer Science+Business Media, Inc., 2006-03)
Sugar maple ( Acer saccharum Marsh.)-dominated northern hardwood forests in the upper Lakes States region appear to be particularly sensitive to chronic atmospheric NO 3 − deposition. Experimental NO 3 − deposition (3 g ...
Farmers’ attitudes about farming and the environment: A survey of conventional and organic farmers
(Springer Netherlands, 1996)
Farmers have been characterized as people whose ties to the land have given them a deep awareness of natural cycles, appreciation for natural beauty and sense of responsibility as stewards. At the same time, their relationship ...
Slow wins: Patience, perseverance and behavior change.
(2011)
It is easy to despair at the unsustainability of human behavior; however, such despair may come from taking too narrow and pessimistic a view of human nature. Behavior change does happen but durable change happens only ...
Comments on rarity and chaos, Thomas D. Rogers, math. biosci. 72:13-18 (1984)
(Elsevier, 1985-03)
Relationships among nutrient inputs, water nutrient concentrations, primary production, and yield of Oreochromis niloticus in ponds
(Elsevier, 1991)
Experiments were run to assess the physical, chemical, and biological processes leading to increased production of fertilized fish ponds in Thailand for approximately 5 months during wet season 1984 and wet and dry seasons ...
Exurban Residential Subdivision Development: Effects on Water Quality and Public Perception
(Kluwer Academic Publishers, 2004)
We investigated how future alternative designs for exurban residential subdivision development in agricultural landscapes might affect aquatic ecosystems and public perceptions, and we asked whether better aquatic ecological ...
Environmental psychology
(Kluwer Academic Publishers, 1999)
Environmental psychology examines the interrelationship between environments and human behavior. The field defines the term ‘environment’ very broadly to include all that is natural on the planet as well as social settings, ...
Clonal variation in above- and below-ground growth responses of Populus tremuloides Michaux: Influence of soil warming and nutrient availability
(Kluwer Academic Publishers; Springer Science+Business Media, 1999-03)
Trembling aspen (Populus tremuloides Michx.) is the most widely distributed tree species in North America making it important to terrestrial carbon and nutrient cycles. Due to anthropogenic climate change high latitude ...
Conservation of biodiversity in coffee agroecosystems: a tri-taxa comparison in southern Mexico
(Kluwer Academic Publishers-Plenum Publishers; Kluwer Academic Publishers ; Springer Science+Business Media, 2003-06)
We compare species richness of birds, fruit-feeding butterflies and ground-foraging ants along a coffee intensification gradient represented by a reduction in the number of species of shade trees and percentage of shade ...
Kinetics of nitrogen and phosphorus release in varying food supplies by Daphnia magna
(Kluwer Academic Publishers; Dr. W. Junk Publishers ; Springer Science+Business Media, 1982-10)
Rates of nitrogen and phosphorus release from individual Daphnia magna were determined by measuring ammonia and soluble reactive phosphorus in successive 10-min incubations in small (0.05 ml) vessels after the animals were ...