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1. Soil Fauna Accelerate Dung Pat Decomposition and Nutrient Cycling into Grassland Soil

Author:
Eskridge, Kent M.,   et al.   ; Evans, Kenneth S.; Mamo, Martha; Wingeyer, Ana; Schacht, Walter H.; Bradshaw, Jeff; Ginting, Daniel;     Show all 7 Authors
Source:
Rangeland ecology & management 2019 v.72 no.4 pp. 667-677
ISSN:
1550-7424
Subject:
Coleoptera; biogeochemical cycles; dung beetles; ecological function; feces; field experimentation; grassland soils; nutrients; organic carbon; phosphorus; rangeland soils; soil depth; soil fauna; soil nutrients; summer
Abstract:
... Soil fauna play critical roles in various ecosystem functions and services, but empirical data measuring their impact on dung pat decomposition and subsequent nutrient cycling into rangeland soils are limited. The objective of this study was to quantify the effect of soil fauna, using dung beetle as an indicator, on dung decomposition and subsequent translocation of dung nutrients into grassland s ...
DOI:
10.1016/j.rama.2019.01.008

2. Dung Beetles Increase Greenhouse Gas Fluxes from Dung Pats in a North Temperate Grassland

Author:
Eskridge, Kent M.,   et al.   ; Evans, Kenneth S.; Mamo, Martha; Wingeyer, Ana; Schacht, Walter H.; Bradshaw, Jeff; Ginting, Daniel;     Show all 7 Authors
Source:
Journal of environmental quality 2019 v.48 no.3 pp. 537-548
ISSN:
0047-2425
Subject:
Coleoptera; carbon dioxide; cattle manure; dung beetles; ecosystems; feces; greenhouse gas emissions; greenhouse gases; macropores; meadows; methane; nitrous oxide; rangelands; soil fauna; Nebraska
Abstract:
... Soil fauna plays a critical role in various ecosystem processes, but empirical data measuring its impact on greenhouse gas (GHG) emissions from rangelands are limited. We quantified the effects of dung beetles on in situ CO₂, CH₄, and N₂O emissions from simulated cattle dung deposits. Soil in meadows of the semiarid Nebraska Sandhills was treated with three treatments (dung pats with exposure and ...
DOI:
10.2134/jeq2018.03.0111