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Spring/Summer 2003
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Native Wetlands: What they are, why they’re
By Sarah Black
A wetland is a seasonal depression or swale on the earth’s surface, which consists of a natural cover of wetland plant species. These areas are important to us because they create habitat for wildlife. Here at Joseph Phelps Vineyards we are currently monitoring and maintaining a constructed wetland, established in 2001, at our Suscol Ranch. We will be working with the Army Corps of Engineers, Wetlands Research Associates and our vineyard crews for the next four years to ensure the establishment of the 3-acre wetland project. The proper balance of seasonal hydrology is very important in our monitoring observations. Our wetland is not inundated with water all year long, only during the rainy season (October 15th through April 15th). Vegetation establishment is key in maintaining this moisture balance of the soil. Wetland species such as Meadow Barley (Hordeum spp.), Toad rush (Juncus spp.) and Goldfields (Lasthenia spp.) will grow together to form the native cover necessary for this balance to occur. In the process of building the wetland we are also restoring the native plant habitat along the Arroyo Creek that borders our property. In order for these plants to be successful in and around the wetland, care must be provided. Weeding, watering, transplanting, monitoring and installation of temporary fencing are all part of the maintenance program. Close monitoring for non-native and exotic invasive species is required and actions are taken to ensure that invasive species do not become established.  On April 3rd a group of JPV volunteers met at the Suscol Ranch Wetlands site for what we hope will be the first in a series of “Planting Days.” Many people volunteered their services, but special thanks goes to Javier Nino de Riviera, our vineyard supervisor at the Suscol site. Javier brought the toilet and was on Star thistle patrol even though he had been up since midnight the night before protecting the vines from frost. He and his crew are indispensable in helping us maintain and manage the work that needs to be done to the wetlands.The new wet-land complements an already existing wetland, located on the southern portion of the property, that we use as a reference. Many animals have already discovered this restored habitat. Waterfowl, amphibious species, and a lynx have been seen using the wetland in just the first year of establishment. These natural systems are encouraged because they help enhance our vineyards’ success due to the biodiversity created. |
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