Results 101 to 110 of about 206,056 (204)

30 years of hay meadow succession without fertilization: how does it affect soil and avifauna groups? [PDF]

open access: yes, 2010
In the present study we investigated the effects of hay meadow succession in the brook valley system of the Drentse A Nature Reserve, in the NE of the Netherlands.
Bakker, Jan P.   +5 more
core  

Iowa Power Fund Board Project Report Update, July 29, 2009 [PDF]

open access: yes, 2009
Climate refers to the long-term course or condition of weather, usually over a time scale of decades and longer. It has been documented that our global climate is changing (IPCC 2007, Copenhagen Diagnosis 2009), and Iowa is no exception.

core  

Estimation of environmental impact of conversion to organic agriculture in Hamburg using the Life-Cycle-Assessment method [PDF]

open access: yes, 2005
Commissioned by the Ministry of Environment of Hamburg, Germany, an environmental impact assessment using the Life-Cycle Assessment (LCA) method was carried out during 1995 and 1996. In a scenario, the effect of a complete transition from conventional to
Frieben, Bettina   +3 more
core  

Soil community history strengthens belowground multitrophic functioning across plant diversity levels in a grassland experiment

open access: yesNature Communications
Biodiversity experiments revealed that plant diversity loss can decrease ecosystem functions across trophic levels. To address why such biodiversity-function relationships strengthen over time, we established experimental mesocosms replicating a gradient
Angelos Amyntas   +12 more
doaj   +1 more source

Soil fauna in different soil management for watermelon

open access: yesBioscience Journal, 2007
An experiment was carried out in Santa Maria, RS, to study the effects of different soil and leaf diseases management for watermelon on soil fauna. The treatments were: 1) Conventional Tillage (CT) 2) CT with strip (s) without plowing; 3) No-Till (NT)+Chisel (Ch)+Herbicide (H); 4) NT+Ch without H; 5) NT+H and 6) NT.
Daniel Bock, Validio   +1 more
openaire   +2 more sources

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