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Ecological Association Between the Red-Cockaded Woodpecker and Southern Pine Beetle in the Homochitto National Forest: a Geographic Information System Approach
Since the introduction of management practices by the Forest Service to stabilize red-cockaded woodpecker (RCW) populations, the number of cavity trees killed by southern pine beetles (SPB) has increased. A model of the landscape ecology of RCW and SPB in the Homochitto National Forest was created using data collected from the Forest Service and Global Atmospherics. The conclusions of the study were that the RCW and SPB utilize the same type of habitat and the stand hazard maps are an accurate means of determining the locations of SPB infestations. The functional heterogeneity maps created for the SPB and RCW would be useful predictors of future occurrences of either species if complete data were obtained.
Date:
December 1998
Creator:
Skordinski, Karen R. (Karen Renee)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1373
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
June 9, 1977
Creator:
Britton, Joseph & Hagan, J.
Object Type:
Specimen
System:
The UNT Digital Library
Leptodea fragilis, Specimen #516
One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date:
June 14, 1979
Creator:
Britton, Joseph
Object Type:
Specimen
System:
The UNT Digital Library
Leptodea fragilis, Specimen #517
One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; white internal coloring; off-white external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be very-long dead when collected.
Date:
June 14, 1979
Creator:
Britton, Joseph
Object Type:
Specimen
System:
The UNT Digital Library
Leptodea fragilis, Specimen #518
One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be long dead when collected.
Date:
June 14, 1979
Creator:
Britton, Joseph; Brush, Sam & La Grove, M.
Object Type:
Specimen
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1286
One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
June 15, 1979
Creator:
Britton, Joseph; Brush, Sam & La Grove, M.
Object Type:
Specimen
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1374
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; green external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1375
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1376
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; green external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1377
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; green external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Toxolasma texasense, Specimen #1201
One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1264
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1265
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1266
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1267
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1268
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1269
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1270
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1271
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1272
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1273
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1274
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Uniomerus tetralasmus, Specimen #1275
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library
Toxolasma texasense, Specimen #1202
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; green external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
August 10, 1979
Creator:
Britton, Joseph & Britton, Michael
Object Type:
Specimen
System:
The UNT Digital Library