Quivira Newsletter 2

Page 1

November 1997

Riparian Areas: Sources of Conflict

Contents From the Founders

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Macho Creek Project 3 Value of Riparian Areas to Ranchers The Thin Green Line

The Far Horizon

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10 12

Example of Good Stewardship

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Upcoming Events

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Water is the lifeblood of the arid West; and the regionÂ’s rivers, streams, and creeks are the arteries by which life is maintained. The areas around those arteries are called "riparian zones." Due to their scarcity and significance, these areas have been the source of much of the conflict between ranchers, environmentalists, state and federal land managers. But what is a riparian area exactly? Why are they so important to environmentalists? Why should ranchers care about how they manage them? Why do land agencies try to protect them? Why the lawsuits? Why the anger? What do we really want from riparian areas anyway? This issue is dedicated to defining the nature and importance of riparian zones and the nature of the problems associated with them. Our next issue will explore management techniques which might provide solutions to these problems.

A Primer on Riparian Zones

by Tony Svejcar, Range Scientist, USDA, Agricultural Research Service, Oregon (This article has been edited by Kris Havstad, USDA, Agricultural Research Service, with permission of the author, from its original publication in the August 1997 issue of RANGELANDS.)

Part 1: What are Riparian Zones and How Do They Work? There are many ways of defining riparian zones (or areas), but most definitions include some mention of a transition between terrestrial and aquatic ecosystems. Thus, the riparian zone is the transition between the uplands where there is seldom standing water and the stream, river or lake

where free flowing or standing water should be common. As a transition, riparian zones tend to have characteristics of both upland and aquatic ecosystems. Plants growing in these areas may be completely under water during a portion of the growing season and yet be exposed to drought stress during certain times of the year.

(con't on page 4)


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Quivira Newsletter 2 by Quivira Coalition - Issuu