Riparian vegetation strips are widely used by river managers to increase streambank stability, among other purposes. However, though the effects of vegetation on bank stability are widely discussed they are rarely quantified, and generally underemphasize the importance of hydrologic processes, some of which may be detrimental. This paper presents results from an experiment in which the hydrolog...

Riparian forest communities in the southwestern United States were historically structured by a disturbance regime of annual flooding. In recent decades, however, frequency of flooding has decreased and frequency of wildfires has increased. Riparian forests provide important breeding habitat for a large variety of bird species, and the effects of this altered disturbance regime on birds and the...

The expansion of oil palm plantations at the expense of tropical forests is causing declines in many species and altering ecosystem functions. Maintaining forest-dependent species and processes in these landscapes may therefore limit the negative impacts of this economically important industry. Protecting riparian vegetation may be one such opportunity; forest buffer strips are commonly protect...

-Sensitive hydrologic interrelationships exist between watershed condition and the health of associated riparian areas in the southwestern USA. The impact of extensive unmanaged livestock grazing, wildfires, and past forest clearing, coupled with numerous small linear perturbations such as travelways, low standard roads, and livestock trails, has dramatically illustrated the interrelationship b...

Comparisons of vegetation dynamics of riparian plant communities under livestock use and esclusions over a 10 year period were quantified in a Northeastern Oregon riparian zone. We measured species frequency, richness, diversity, evenness, and livestock utilization in 8 plant communities. Livestock grazed the study area from late August until mid September at a rate of 1.3 to 1.8 ha/AUM. Utiliz...

Riparian vegetation, which performs many key ecological functions, has been modified or lost at an alarming rate during the past century as a result of human activity. The aims of this study are (a) to investigate the effects of poplar plantations on plant diversity in riparian zones; and (b) to estimate the ecological implications of extending cover by poplar plantations. For this purpose, we ...

人工的に創出された公園の湛水型調整池に，修景的，生態的機能を付加する目的で水辺緑化を行った事例を対象に，15年経過した時点で植物の生育状況の調査を行った。施工に際しては貧栄養である砂質土を用い，それぞれ湿生植物，抽水植物の生育を意図した湿生部，抽水部を水辺域に創出し，比較的草高が低い植物種を中心に植栽を行った。周囲はシバであり，定期的な管理が行われたが，水辺域において植生の管理作業は行われていない。植栽種は概ね活着し，群落を形成した。その後，種子による生育範囲の拡大が見られた種，植栽した場所に概ね留まった種など，種による差が見られたものの，比較的安定した水辺植生の群落を形成した。一方，外部からの侵入種も見られ，ヒシによる水面の優占，1箇所でヨシの優占が見られたものの，景観を著しく害することはなく，水生生物の生息空間として機能するなど，植栽した植物を中心に安定した水辺エコトーンを形成し...

Simulating riparian vegetation and aquatic habitat dynamics in response to natural and anthropogenic disturbance regimes in the Upper Grande Ronde River, Oregon, USA Steven M. Wondzell a,∗, Miles A. Hemstrom b, Peter A. Bisson a a USDA Forest Service, Pacific Northwest Research Station, Forestry Sciences Laboratory, 3625 93rd Ave., S.W., Olympia, WA 98512, USA b USDA Forest Service, Pacific Nor...

Wetlands, and in particular riparian wetlands, are at the interface between well drained land and the aquatic environment, where they control the exchange of water and related chemical fluxes from catchment areas to surface waters like lakes and streams. Integrating wetlands and riparian zones in regional hydrological modeling is challenging because of the complex interactions between soil wate...