Basin Field Guide
The San Antonio River serves as an important habitat corridor that supports numerous native plants, migratory birds and other wildlife. Connected ecosystems function better than fragmented systems, and the River serves as an essentially uninterrupted connection from its headwaters in the heart of San Antonio to the confluence with the Guadalupe River near San Antonio Bay and the Texas Gulf Coast. However, the adjoining riparian ecosystem and surrounding landscapes vary from a relatively unaltered natural state to a heavily developed urban state and everything in between, which results in fragmentation of this important habitat.
The Basin Field Guide was created by the San Antonio River Authority to serve as a resource for the community in order to better understand the plant and animal life within the San Antonio River Basin. This Guide includes descriptions and photos of many native and non-native plant and animal species that can be found in the Basin, with a focus on the more common species that might be encountered. We hope you enjoy learning more about the San Antonio River ecosystem!
The San Antonio River Basin spans five ecoregions. These ecoregions are natural regions defined by their individual characteristics of plant and animal communities as well as their geology, hydrology, topography and soils. We believe that individuals will be better able to make decisions about their own properties and other landscapes with a good understanding of the plants and animals that can be found there, and want this Guide to be a useful resource to help them become familiar with our remarkable diversity of species.
Some species of plants and animals can move through fragmented habitats including plants with wind-blown seeds and wildlife that can fly. Other species are unable to move between the fragments, constrained in their movements by human uses including roads and a variety of other natural and man-made features. By restoring native plant communities and connecting them together throughout the landscape, we can provide valuable habitat connections that benefit wildlife and can help to improve water quality and the overall health of the environment. We encourage you to learn about the ecosystems surrounding you and to help in the understanding, improvement, conservation, preservation and stewardship of these amazing resources.
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