LARGE SCALE RESTORATION OF NORTHERN BOBWHITE HABITAT ON A RANGELAND DOMINATED BY NON-NATIVE GRASSES Matthew N. Wojda 1 , Timothy E. Fulbright 1 , Fidel Hernández 1 , David B. Wester 1 , Eric D. Grahmann 1 , Forrest Smith 1 , Mike Hehman 2 1 Caesar Kleberg Wildlife Research Institute, Department of Animal and Wildlife Sciences, Texas A&M University-Kingsville, Kingsville, TX 78363, USA 2 Hixon Ranch, Cotulla, TX 78014, USA
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LARGE SCALE RESTORATION OF NORTHERN BOBWHITE HABITAT ON A RANGELAND DOMINATED BY NON-NATIVE GRASSES
Matthew N. Wojda1, Timothy E. Fulbright1, Fidel Hernández1,
David B. Wester1, Eric D. Grahmann1, Forrest Smith1, Mike
Hehman2
1Caesar Kleberg Wildlife Research Institute, Department of Animal and Wildlife Sciences, Texas A&M University-Kingsville, Kingsville, TX 78363, USA2Hixon Ranch, Cotulla, TX 78014, USA
• Soil sampling methods• Use same transects as Daubenmire
• Seed bank sampled in two layers
• Seedling emergence
Results
0
10
20
30
40
50
60
70
Buffelgrass Old World Blestem Lambs Quarter Plains Bristle Sand Dropseed
Co
mp
osit
ion
(%
)
Above Ground Composition
Results
0
2
4
6
8
10
12
14
16
18
Annual Lazy Daisy Jamaican Nama Pimpernel Buffelgrass Texas Vervain
Co
mp
osit
ion
(%
)
Below Ground Composition
Results
-1.0 -0.5 0.0 0.5 1.0 1.5 2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
Axis1
Axis
2
AbovegroundCommunity
Emerged SeedbankCommunity
Results
-1.0 -0.5 0.0 0.5 1.0 1.5 2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
Axis 1
Axis
2
Dian
Urma
Spcr
Peci
Apra
Plrh
Naun
Naja
Nahi
Coti
Veha
Coti
Veha
Ceec
Soel
Crmo
Devi
Anar
Conclusions
• Above ground invasive dominance
• Suppressing native growth?
• Long term vegetative monitoring
Citations
D'Antonio, C. M., and P. M. Vitousek. 1992. Biological invasions by exotic grasses, the grass/fire cycle, and global change. Annual review of ecology and systematics, 23, 63-87.
Flanders, A. A., W.P. Kuvlesky Jr. D. C. Ruthven III, R. E. Zaiglin, R.L. Bingham, T. E. Fulbright, F. Hernandez, and L.A. Brennan. 2006. Effects of invasive exotic grasses on south Texas Rangeland breeding birds. The Auk 123:171-182.
Fulbright, T. E., K. R. Hickman, and D. G. Hewitt. 2013. Exotic grass invasion and wildlife abundance and diversity, South‐Central United States. Wildlife Society Bulletin, 37(3), 503-509.