Conserving our Southeastern Grasslands with Dwayne Estes

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Show notes:

Many of us grew up hearing about the decline of the old growth forests and their impacts on neotropical songbirds and other wildlife. I think this was especially true for those of us who grew up here in the eastern U.S. However, the story that hasn’t been told as well is that of the southeastern grasslands and how they have declined. Yes, I said “southeastern grasslands” because historically, much of the southeast was a diverse patchwork of grassland communities, not a continuous forest like it has often been portrayed.

On today’s episode of Backyard Ecology, we talk with Dwayne Estes, Executive Director of the Southeastern Grasslands Initiative (SGI). SGI works in a region that basically covers from Columbia, MO across to Long Island, NY, down to Miami, FL and back across to Brownsville, TX. Even though New York and some of these other areas aren’t what we traditionally think of as part of the southeast, all of these areas have very similar grasslands. In addition to his work with SGI, Dwayne is also a Professor of Biology in the Center of Excellence for Field Biology, Austin Peay State University.

As Dwayne tells us, it has only been within the last decade or so that we’ve begun to realize just how diverse our southeastern grasslands were. Despite the fact that most of us probably think of Kansas and the Great Plains when we hear the term “grasslands,” the southeastern U.S. actually has more types of grasslands than the entire Great Plains of the U.S. and Canada combined.

All these different types of southeastern grasslands also translate to a greater biodiversity of animals than can be found in Great Plains. Scientists now think that approximately half of all the plants and animals in the eastern U.S. are tied to grasslands. Part of this biodiversity stems from the fact that not all animals like the same types of grasslands – some species like short grass, some like tall grass, some need larger tracts, some are happy on smaller acreages, some like drier areas, and some are drawn to wetter areas. By having so many different types of southeastern grasslands, there are opportunities for all of these different habitat preferences to be met.

And just to be clear, when we talk about southeastern grasslands, we aren’t talking about mowed yards. We’re talking about short-grass prairies, tall grass prairies, savannahs, glades, wet prairies, coastal plains, and other similar locations where native grasses and their associated wildflowers are the dominant vegetation. Trees and shrubs can exist in those areas too, as in the case of savannahs, but they aren’t the dominant vegetation type like you see in a forest setting.

Nowadays, it can be hard to find naturally occurring southeastern grasslands because many of our southeastern grasslands have been turned into agricultural lands (croplands or pastures) or allowed to grow up into forests after fire was removed from the ecosystem. Some of the best places to look for existing southeastern grassland remnants are often in powerline rights-of-ways, along rocky roadsides, along old fence rows, or in similar places.

It is entirely possible for someone to have a southeastern grassland remnant on their property and not even realize it. Most of our remaining southeastern grasslands have been reduced to only a few acres and are located on private land which makes small landowners critical in identifying, managing, and helping to conserve our southeastern grasslands. Larger tracts of southeastern grasslands still exist in a few places, but they are much less common than the smaller grasslands.

The Southeastern Grasslands Initiative is working to raise awareness of our southeastern grasslands and to provide science-based resources for identifying, managing, and conserving those habitats. They are accomplishing this by partnering with many different conservation and educational organizations and agencies, as well as, with individuals who are just interested in southeastern grasslands and want to help make a difference. The Southeastern Grasslands Initiative fully embraces the concept of working hand-in-hand with others to accomplish their mutual goals.

Among the many resources that the Southeastern Grasslands Initiative is developing which will be of direct benefit to interested individuals is information which will help landowners determine whether they have a southeastern grassland remnant hiding on their property. It’s hard to protect or take care of something if you don’t even know it exists. So, the first step is learning how to figure out if you have something that might be worth protecting or conserving.

The Southeastern Grasslands Initiative is also embarking on a new project that will provide seed lists by ecoregion for homeowners and landowners who want to plant southeastern grasslands species on their properties. These lists will be tailored to each of our different ecoregions, as well as the specific soil types and available sunlight at each location. A prototype seed list for the Nashville Basin region is available on the Southeastern Grasslands Initiative’s website with more lists being developed and added in 2021 and 2022.

I highly encourage everyone to listen to this episode and then check out the amazing resources available on the Southeastern Grasslands Initiative’s (SGI) website. They also have some great volunteer opportunities (both in-person and remotely) if you want to get more involved.


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Episode Image:

  • Wet prairie in the Piedmont region of North Carolina.
  • Photo credit: Southeastern Grasslands Initiative

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Backyard Ecology: Exploring Nature in Your Backyard
Nature isn’t just “out there.” It’s all around us, including right outside our doors. Hi, my name is Shannon Trimboli, and I am the host of Backyard Ecology. I live in southcentral Kentucky and am a wildlife biologist, educator, author, beekeeper, and owner of a nursery specializing in plants for pollinators and wildlife conservation. I invite you to join me as we ignite our curiosity and natural wonder, explore our yards and communities, and improve our local pollinator and wildlife habitat. Learn more or subscribe to my email list at

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