Skip to page content
USDA Forest Service
  
Treesearch

Research & Development Treesearch

 
Treesearch Home
About Treesearch
Contact Us
Research & Development
Forest Products Lab
International Institute of Tropical Forestry
Northern
Pacific Northwest
Pacific Southwest
Rocky Mountain
Southern Research Station
Help
 

Science.gov - We Participate


USA.gov  Government Made Easy


Global Forest Information Service

US Forest Service
P.O. Box 96090
Washington, D.C.
20090-6090

(202) 205-8333

You are here: Home / Search / Publication Information
Bookmark and Share

Publication Information

View PDF (500 K bytes)

Title: Abundance and reproduction of toads (Bufo) along a regulated river in the southwestern United States: Importance of flooding in riparian ecosystems

Author: Bateman, H. L.; Harner, M. J.; Chung-MacCoubrey, A.;

Date: 2008

Source: Journal of Arid Environments. 72: 1613-1619.

Publication Series: Miscellaneous Publication

Description: Abundance and size of toads (Bufo woodhousii and B. cognatus) were related to precipitation, river flow, and groundwater over 7 years along the Middle Rio Grande, a regulated river in the semi-arid southwestern United States. Toads were monitored in riparian areas at 12 sites spanning 140 km of river during summers 2000­2006. Regional precipitation varied between years, with occurrence of both drought and record high precipitation. Abundance of toads was low during most of the study (mean = 11 captures/ month/site). However, two sites flooded in spring 2005, resulting in a dramatic increase in captures at those sites (mean = 214 captures/month/site). Most individuals captured in 2005 were small (median body mass 0.6 g), suggesting that toads used the floodplain for breeding during the flood. Only river flows that exceeded 100m3/s brought groundwater close enough to the surface to create pools used by toads for reproduction and development. Such flows were once common along the Middle Rio Grande but are rare following regulation. Our results demonstrate that small, managed floods can positively affect abundance of toads by providing off-channel, aquatic habitats along regulated rivers.

Keywords: amphibian, groundwater, managed flooding, Middle Rio Grande, New Mexico (USA), off-channel aquatic habitat

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
  • You may send email to rmrspubrequest@fs.fed.us to request a hard copy of this publication. (Please specify exactly which publication you are requesting and your mailing address.)

XML: View XML

Citation:


Bateman, H. L.; Harner, M. J.; Chung-MacCoubrey, A. 2008. Abundance and reproduction of toads (Bufo) along a regulated river in the southwestern United States: Importance of flooding in riparian ecosystems. Journal of Arid Environments. 72: 1613-1619.

 


 [ Get Acrobat ]  Get the latest version of the Adobe Acrobat reader or Acrobat Reader for Windows with Search and Accessibility

USDA logo which links to the department's national site. Forest Service logo which links to the agency's national site.