pyric herbivory
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Author(s):  
Shyam Kumar Thapa ◽  
Joost de Jong ◽  
Anouschka Hof ◽  
Naresh Subedi ◽  
Laxmi Joshi ◽  
...  

Indiscriminate fire is rampant throughout subtropical South and Southeast Asian grasslands. However, very little is known about the role of fire and pyric herbivory on the functioning of highly productive subtropical monsoon grasslands lying within Cwa-climatic region. We collected grass samples from 60 m x 60 m plots and determined vegetation physical and chemical properties at regular 30-day intervals from April to July 2020, starting from 30 days after fire to assess post-fire regrowth forage quality. We counted pellet groups for the same four months from 2 m x 2 m quadrats that were permanently marked with pegs along the diagonal of each 60 m x 60 m plot to estimate grazing intensity to the progression of post-fire regrowth. We observed strong and significant reductions in crude protein (mean value 9.1 to 4.1 [55% decrease]) and phosphorus (mean value 0.2 to 0.11 [45% decrease]) in forage collected during different time intervals i.e., from 30 days to 120 days after fire. Mesofaunal deer utilised the burned areas extensively for a short period, i.e., up to two months after fire when the burned areas contained short grasses with a higher level of crude protein and phosphorus. Grazing intensity of chital (Axis axis) to post-fire regrowth differed significantly over time since fire, with higher intensity of use at 30 days after fire. Grazing intensity of swamp deer (Rucervus duvaucelii) did not differ significantly until 90 days after fire, however, decreased significantly after 90 days since fire. Large-scale indiscriminate single event fires thus may not fulfil nutritional requirements of all species in mesofaunal deer community in these subtropical monsoon grasslands. We recommend for a spatio-temporal manipulation of fire to reinforce grazing feedback and to yield for the longest possible period a reasonably good food supply for the conservation of mesofaunal deer.


2021 ◽  
Vol 9 ◽  
Author(s):  
Sherry A. Leis ◽  
Carol E. Baldwin

Tallgrass prairie is disappearing because farming and development have replaced it. This ecosystem is home to a unique group of plants, animals, and microbial life. The processes of fire, grazing by animals, and drought are important to the tallgrass prairie. They can influence each other and prairie life. For example, pyric-herbivory is the interaction of fire and grazing on the landscape. Burned areas attract herbivores (plant eaters) like a magnet. After fires, plant growth is nutritious and easy to find. Herbivores prefer grazing recently burned areas, creating patches of different habitats that support many other wildlife species, too. You can see pyric-herbivory in action at the Tallgrass Prairie National Preserve, where fire, cattle, and bison are a part of the preserve’s management team! Healthy tallgrass prairie needs both fire and grazing.


PLoS ONE ◽  
2020 ◽  
Vol 15 (6) ◽  
pp. e0234983
Author(s):  
Heath D. Starns ◽  
Samuel D. Fuhlendorf ◽  
Robert D. Elmore ◽  
Dirac Twidwell ◽  
Eric T. Thacker ◽  
...  

2019 ◽  
Vol 45 (2) ◽  
pp. 515
Author(s):  
R.M. Canals

The history of the planet is an ever-changing story. Nowadays, managers of the natural environment face the challenge of dealing with a dynamic landscape that is at a turning point due to the global change (climate and land use change) brought about by human actions in recent centuries. This article discusses the traditional concept of conservation of the natural environment, analyses the role played by key disturbances in the functioning and dynamics of ecosystems over time, and offers a new management approach derived from this knowledge. Combined practices of controlled fire and guided grazing (pyric herbivory) as environmental tools for the preservation of valuable mountain ecosystems is justified, as well as the need to consolidate them by combining traditional expertise with scientific and technical knowledge in order to maximize their positive effects and minimize the potential negative impacts on the natural environment.


2018 ◽  
Vol 71 (4) ◽  
pp. 458-469 ◽  
Author(s):  
Eric D. Grahmann ◽  
Timothy E. Fulbright ◽  
Fidel Hernández ◽  
Michael W. Hehman ◽  
David B. Wester ◽  
...  

2018 ◽  
Vol 32 (6) ◽  
pp. 1599-1608 ◽  
Author(s):  
Christine H. Bielski ◽  
Dirac Twidwell ◽  
Samuel D. Fuhlendorf ◽  
Carissa L. Wonkka ◽  
Brady W. Allred ◽  
...  
Keyword(s):  

2016 ◽  
Vol 53 (4) ◽  
pp. 1004-1012 ◽  
Author(s):  
Craig A. Davis ◽  
Roy T. Churchwell ◽  
Samuel D. Fuhlendorf ◽  
David M. Engle ◽  
Torre J. Hovick

2016 ◽  
Vol 69 (1) ◽  
pp. 20-27 ◽  
Author(s):  
Amanda L. West ◽  
Chris B. Zou ◽  
Elaine Stebler ◽  
Samuel D. Fuhlendorf ◽  
Brady Allred

2012 ◽  
Vol 37 (3) ◽  
pp. 325-334 ◽  
Author(s):  
John D. Scasta ◽  
Dave M. Engle ◽  
Justin L. Talley ◽  
John R. Weir ◽  
J. Chris Stansberry ◽  
...  
Keyword(s):  

2012 ◽  
Vol 49 (4) ◽  
pp. 903-910 ◽  
Author(s):  
Devan A. McGranahan ◽  
David M. Engle ◽  
Samuel D. Fuhlendorf ◽  
Stephen J. Winter ◽  
James R. Miller ◽  
...  

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