Marsh development at restoration sites on the White Mountain Apache Reservation, Arizona

Jonathan W. Long, Aregai Tecle, Benrita M. Burnette

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

To prioritize sites for riparian restoration, resource managers need to understand how recovery processes vary within landscapes. Complex relationships between watershed conditions and riparian development make it difficult to predict the outcomes of restoration treatments in the semiarid Southwest. Large floods in 1993 scoured riparian areas in the Carrizo watershed on the White Mountain Apache Reservation in east-central Arizona. We evaluated recovery at three of these sites using repeated photographs and measurements of channel cross sections and streamside vegetation along permanent transects. The sites were mapped as lying on the same soil type, had similar streamside vegetative communities, and were similarly treated through livestock exclusion and supplemental seeding. However, the sites and individual reaches within the sites followed strikingly different development paths. Dramatic recovery occurred at a perennial reach where cover of emergent wetland plants increased from 4.7 percent (standard error = 0.8 percent) in October 1995 to 55.5 percent (standard error = 2.7 percent) in September 2001. At several other reaches, geologic and hydrogeomorphic characteristics of the sites limited inputs of fine sediment or surface water, resulting in modest or negligible increases in emergent cover. Recovery efforts for highly valued marshlands in this region should prioritize perennial reaches in low gradient valleys where silty sediments are abundant.

Original languageEnglish (US)
Pages (from-to)1345-1359
Number of pages15
JournalJournal of the American Water Resources Association
Volume39
Issue number6
StatePublished - Dec 2003

Fingerprint

Restoration
marsh
Recovery
mountain
Watersheds
Sediments
watershed
Wetlands
seeding
Surface waters
Agriculture
sediment
photograph
soil type
livestock
Managers
transect
cross section
wetland
surface water

Keywords

  • Flood disturbance
  • Sedimentation
  • Watershed/riparian linkages
  • Wetlands

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Environmental Engineering
  • Water Science and Technology

Cite this

Marsh development at restoration sites on the White Mountain Apache Reservation, Arizona. / Long, Jonathan W.; Tecle, Aregai; Burnette, Benrita M.

In: Journal of the American Water Resources Association, Vol. 39, No. 6, 12.2003, p. 1345-1359.

Research output: Contribution to journalArticle

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