From: Foraging Wading Bird (Ciconiiformes) Attraction to Prescribed Burns in an Oligotrophic Wetland
Burna | Heat N Smoaksb | Jessie’s Holidayb | Lost Lemonb | Hackberry Eastb,c | Bergb,c | 9.5 Westc | Apple Campd |
---|---|---|---|---|---|---|---|
Date burned | 17 Feb 09 | 26 Feb 09 | 27 Mar 09 | 16 Feb 10 | 3 Mar 10 | 1 Apr 10 | 2 Mar 11 |
Size (ha) | 1003 | 931 | 1039 | 817 | 548 | 690 | 884 |
Yr last burnede | 2004 | 2005 | 2005-W | 2007-E | 2006 | 1997-N 2006-W | 2005 |
Weather conditions | Â | Â | Â | Â | Â | Â | Â |
Dispersion | 45 | 62 | 70 | 60 | 48 | 42 | 55 |
Min. mixing ht (m) | 914 | 1219 | 1524 | 823 | 823 | NA | 1219 |
Estimated% habitat composition | Â | Â | Â | Â | Â | Â | |
Sawgrass | 70 | 70 | 85 | 70 | 75 | 70 | 67 |
Slough | 14 | 19 | 7 | 29 | 13 | 25 | 15 |
Other | 16 | 11 | 8 | 1 | 12 | 5 | 18 |
Estimated fuel density (%)a | Â | Â | Â | Â | Â | Â | |
Light | 30 | 30 | 20 | 40 | 20 | 20 | 15 |
Moderate | 50 | 55 | 70 | 40 | 25 | 35 | 15 |
Heavy | 20 | 15 | 10 | 10 | 55 | 45 | 70 |
Fine fuel moisture | NA | 10 | NA | 8 | 8 | 8 | 9 |
Onsite conditions | Â | Â | Â | Â | Â | Â | Â |
Water depth (cm) | 10 to 18 | 18 to 25 | 10 to 20 | 30 | 10 to 30 | 10 | 15 to 20 |
Time collected | 1055 | 1010 | 1110 | 1200 | 0900 | 0950 | 1049 |
Wind (m s−1; x̄/max) | NE 2.2/4.0 | NE 2.7/4.0 | SE 4.0/7.2 | NW 3.1 | W 2.4/4.0 | NE 0.5/1.4 | NE 4.9 |
Relative humidity (%) | 60 | 61 | 62 | 52 | 75 | 80 | 60 |
Air temperature (°C) | 22.2 | 23.9 | 27.2 | 17.8 | 12.8 | 19.4 | 26.7 |
Flame length (m) | 2.1 | Â | 2.4 to 3.0 | 1.2 to 3.0 | Â | Â | 0.91 to 4.6 |
ROS (m min−1) |  |  |  | 0.61 |  |  |  |