Category: Post 4: Sampling Strategies
Mohn Mill Sampling
Mohn Mill community was selected for the virtual forest tutorial community sampling exercise to which area method was used in conjunction with systematic, random, and haphazard sampling techniques. There were…
Sampling of tree Communities
Which technique is the most efficient in terms of time spent sampling? In terms of time, Strategic sampling was the most efficient way of sampling, only 30 mins faster then…
Sampling strategies
In the virtual forest tutorial , Mohn Mill Natural Area community (area method) was sampled using haphazard, random and systemic sampling. There was 25 quadrats sampled for each. The technique…
Post 4
Systematic Eastern hemlock (388-469.9)/469.9*100=17.4% Sweet birch (148-117.5)/117.5*100=26% Yellow birch (128-108.9)/108.9*100=17.5% Chestnut oak (104-97.5)/87.5*100=18.9% Red maple (136-118.9)/118.9*100=14.4% Striped maple (40-17.5)/17.5*100=128.6% White pine (20-8.4)/8.4*100=138.1% Random sampling Eastern hemlock (445.8-469.9)/469.9*100=5.1% Sweet birch (95.8-117.5)/117.5*100=18.5% Yellow…
Post 4: Sampling Strategies
During the virtual forest tutorial we used 3 sampling techniques: systematic, random, and haphazard. Of these three methods, the haphazard method had the fastest estimated sampling time, and was by…
Community Sampling Exercise: Snyder-Middleswarth Natural Area
The most efficient sampling technique in terms of time spent out of the three tested during this exercise was systematic at 12hrs 35m. Following this was Haphazard at 13hrs 6m…
Blog Post 4 – Sampling Strategies
I selected the Mohn Mill community for this exercise and used the Area method for the three sampling strategies. I was surprised to find that the sampling times for all…
Sampling Strategies of Virtual Forest Tutorials
Study units Type of sampling and % error Tree type (True Density) Systematic Random Haphazard Eastern Hemlock (469.9) 22.11 8.51 28.17 Red maple (118.9) 27.17 38.44 9.41 Sweet birch (117.5)…
Blog 4: Sampling Strategies Compared
Blog #4 Haphazard sampling was best for identifying rare species, and I suspect an ecologist with a keen eye would enjoy even more success than I did. Depending on how…
Sampling Strategies
Snyder-Middleswarth Natural Area Comparison of results: Fastest Sampling strategy : Area, Random or systematic (12 hr, 5 mins) Percentage Error: Area, Random or systematic (Quadrat (x+10,y+10)) Eastern Hemlock = (469.9-487.5)/487.5…