Page 21 - 2018 MAY/JUNE Outdoor Oklahoma
P. 21

BrAD JOHNStON/ODWC


                                           Oklahoma remains one of few
                                            places that can support the
                                                  unique sturgeon.










































          The Rivers Must Run                               float downstream for seven days.
            For Johnston, this project reinforced the importance of   “If the stream segment isn’t long enough because of a
          intact prairie rivers for our fish communities. Sturgeon,  dam or other barrier, the fry could hatch, drift downstream
          once found throughout the Mississippi and Missouri river  and end up in a reservoir. Without fast-moving water, the
          drainages, have suffered significant declines across their  fry would fall to the bottom of that reservoir and suffocate,”
          range, primarily due to the loss of free-flowing rivers.   Johnston said. “Even if they were able to make it through a
            “Shovelnose sturgeon  are a really  strange fish  reservoir because of flooding, they could never make it back
          that  have  been  around  longer  than  even  paddlefish,”  upstream and repopulate their original stretch of river.”
          Johnston said. “They’ve survived as a species for 100   “We need to make sure we think about how changes to
          million years, even with major changes in temperature  our rivers, especially our limited prairie rivers, will impact
          and water chemistry. They’re really not that fragile until  our fish and wildlife.”
          you cut their system – their habitat – in half.     Even with the challenge of shrinking habitat, Oklahoma
            “Right now, Oklahoma’s Arkansas and Red rivers form  remains one of few places that can support these unique
          the southwestern boundary of their range, and we’re on  fish. “It’s amazing that we have fish — fish that some peo-
          the knife’s edge of having stretches of prairie river long  ple don’t even know exist — right here in Jenks, Oklahoma,”
          enough to support these sturgeon.”                Johnston said. “If you think about it, documentaries like
            Similar to other prairie river fish, shovelnose sturgeon  Planet Earth could be made in our state, and fish like shov-
          rely on long stretches of free-flowing water that keep  elnose are so cool, they could make the cut.”
          their developing young oxygenated and afloat. Once the   (This project was funded by the Wildlife Department through the federally
          eggs hatch, the young sturgeon, known as fry, need to  funded State Wildlife Grants Program, Grant F13AF01276.)

          MAY/JUNE 2018                                                                                    19
   16   17   18   19   20   21   22   23   24   25   26