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SCBI-ForestGEO / SCBI-ForestGEO-Data

Public data repository of the SCBI ForestGEO plot
https://scbi-forestgeo.github.io/SCBI-ForestGEO-Data/
Creative Commons Attribution 4.0 International
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Current cores vs dendroband stem sample sizes by species #33

Open rudeboybert opened 3 years ago

rudeboybert commented 3 years ago

Hey @RHelcoski @jenajordan the following info might help prioritize which trees to core this fall. Here is a Venn Diagram illustrating all possible combinations of cores vs dendroband stem sample sizes that I'm using for the Bayesian data fusion project (note all 1289 stems here have census measurements).

sample_sizes_by_sp drawio

Example: D is the number of stems that have biannual but not biweekly dendroband measures as well as core measures. So values C & D are most of interest to you. Below are the values of A-E broken down by species. Let me know if you need more info

sp A B C D E total_stems
litu 186 41 2 8 99 336
quru 27 28 7 2 62 126
qual 23 33 4 3 59 122
quve 34 3 0 9 75 121
fram 35 0 0 6 63 104
fagr 1 10 3 0 77 91
qupr 12 0 0 2 65 79
cagl 28 3 0 0 38 69
juni 8 1 0 3 28 40
pist 3 0 0 3 33 39
caco 9 2 0 1 17 29
cato 12 0 0 0 17 29
caovl 3 0 0 2 22 27
caca 3 15 0 0 0 18
frni 0 0 0 1 15 16
nysy 9 1 0 0 0 10
acru 9 0 0 0 0 9
ulru 9 0 0 0 0 9
ploc 5 0 0 0 0 5
ceca 4 0 0 0 0 4
tiam 1 1 0 0 0 2
cofl 0 1 0 0 0 1
prse 1 0 0 0 0 1
rops 1 0 0 0 0 1
saal 1 0 0 0 0 1
total 424 139 16 40 670 1289
teixeirak commented 3 years ago

It's also worth considering the time periods (which I assume this analysis doesn't cover, right @rudeboybert ?). A lot of these trees were cored in 2010, which is right around the time dendrobands started (before biannual measurements). This means we have even fewer trees with dendroband and core data from the same years than indicated in C and D.

RHelcoski commented 3 years ago

Hey @rudeboybert , I think something got lost in translation or I just missed something. You mention that C and D are the most valuable, but if groups C,D, and E already have core measures... then are you requesting we core them a second time? Is this in addition to the list that @teixeirak developed here? https://github.com/SCBI-ForestGEO/SCBImortality/issues/50. My plan was to first finish that list and then get every oak over 50 cm dbh. Should I change our plans for this Saturday?

teixeirak commented 3 years ago

No need to change plans for this week, @RHelcoski. Let's continue to focus on coring the trees found dead this year. This list above refers to what would be most useful for @rudeboybert 's data fusion project. We may want to try to grab some of these later, but it's not even clear yet how essential they will be.

RHelcoski commented 3 years ago

@teixeirak got it. Let me know if we plan on grabbing them later.