Habitat associations of fish and aquatic turtles in an East Texas Stream | Knowledge and Management of Aquatic Ecosystems

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Table 3

Mean (± SE) environmental variables measured across all nets for each habitat, at Gus Engeling Wildlife Management Area, Anderson County, Texas 2007-2009. Within row means followed by the same letter are not different α = 0.05. All within row differences were significant at P ≤ 0.001.


Variable	Backwater	Creek	Marsh	Lake	Pond

Depth (cm)	36.53±26.07 a	64.06±27.09 b	36.19±26.42 a	49. 09±44.12 e	46.72±27.43 e
Turbidity (cm)	19.45± 8.85 a	28.80±10.46 b	24.22±13.76 c	34.09±24.05 d	33.63±26.85 d
Flow (m/s)	0.06± 0.97 a	0.96±1.28 b	0.00±0.00 a	0.01±0.13 a	0.00±0.00 a
% Canopy Cover	66.84±39.11 a	90.67±21.92 b	21.05±34.51 c	10.54±22.82 c	29.71±36.57 d
PH	5.95±2.79 a	6.00±1.11 a	5.73±1.54 a	6.39±0.49 ab	6.95±4.56 b
Dissolved Oxygen (ppm)	3.34±3.25 a	5.19±1.77 b	2.61±2.39 c	7.29±0.51 d	5.92±2.52 e
Water Temperature	22.79±7.98 a	24.26±4.89 b	23.93±7.15 abc	25.64±9.4 bcd	27.19±1.85 d
% Sand Substrate	15.25±15.75 a	44.42±23.46 b	14.82±22.78 a	34.00±21.28 c	31.18±27.97 c
% Mud Substrate	35.54±18.91 a	28.22±18.02 b	24.58±16.89 b	23.09±10.99 bc	19.89±22.17 c
% Clay Substrate	12.45±15.50 a	6.17±11.33 b	15.47±18.62 ac	17.09±17.57 ac	30.79±34.75 d
% Detritus Substrate	33.36±15.15 a	21.65±22.43 b	41.65±22.03 c	14.91±7.61 d	13.99±10.36 d
% Basking Availability	14.36±16.58 a	15.99±1.03 ab	1.40±6.17 c	8.72±12.25 d	18.16±17.04 b
% Emergent Vegetation	7.74±18.24 a	5.46±17.67 a	79.49±29.26 b	31.05±30.45 c	26.42±38.96 c

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