A synthesis on modern methods in rangeland ecohydrology II

Autores

  • Cameron K. Dorsett
  • Steve Archer

DOI:

https://doi.org/10.34188/bjaerv8n1-104

Resumo

Rangelands provide an abundance of ecosystem services which can be defined as the benefits people obtain from ecosystems. Water is an essential component to such rangeland ecosystems and, therefore, rangelands may also be considered watersheds. The proposed synthesis of rangeland and watershed hydrologic literature aims to address many of the concerns and methods involved in the management of these arid and semi-arid, water-limited (drought and irregular rainfall), dryland ecosystems of the Southwestern United States. Due to these compositional ecosystem factors, problems such as landscape gullying and ecological shifting may take place. Local examples of each of these problems in the Southwest include but are not limited to alterations of surface water runoff patterns due to gully advancement and changes in cover, composition and abundance of vegetation (such as Mesquite trees and Sacaton grasses) due to lack of available moisture. Giving special consideration and study to the hydrologic processes involved in water-limited environments is a crucial component in attempting to address, or even solve, many of the problems or concerns mentioned. Consequently, the management techniques to combat such environmental stresses are numerous, varied, and often limited. It is at this juncture that much of the work conducted on the Santa Rita Experimental Range (SRER), southeast of Tucson, AZ, over the past 100-plus years may be referred to for guidance in future rangeland management decisions. One such experimental management method is the use of “irrigation” or added precipitation to study vegetation and soil response. Finally, other common methods such as the use of state-and-transition models (STMs) and remote sensing technologies to assess vegetation health and prevalence for ecological sites as well as quantify ecosystem services are considered in seeking to synthesize a network for rangeland ecosystem management.

 

Referências

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Publicado

2025-02-25

Como Citar

Dorsett, C. K., & Archer, S. (2025). A synthesis on modern methods in rangeland ecohydrology II. Brazilian Journal of Animal and Environmental Research, 8(1), e77900. https://doi.org/10.34188/bjaerv8n1-104

Edição

v. 8 n. 1 (2025)

Seção

Artigos originais

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