create HISTORY table

[ValentineHerr]

@teixeirak, it might be a silly question but what does SNR mean in this file?

[teixeirak]

Spontaneous natural regeneration. (Not a silly question!)

[ValentineHerr]

@teixeirak, what should hist.type be for "SNR" ? (It is not in table 2 of the file.) Also the document says "If pasture or crop, there is no establishment or regrowth" but what about Fire (F), Harvest (H) and Shifting cultivation (SC) ?

[teixeirak]

when refor.type is SNR, hist.type would be "Initiation of post-disturbance cohort (natural)”. Any other code indicates a control used for comparison with regen vegetation (age=0). This should apply to fire, harvest, SC.

[ValentineHerr]

Sorry @teixeirak, my question was not complete... What should be the hist.type for the first event when refor.type is SNR? Or maybe I misunderstand the table and that means that there is no disturbance/NoDisturbance event when refor.type is SNR (if that is the case I understand that event number one becomes the establishment, right?)

[teixeirak]

SNR (refor.type) would indicate the regrowth/ establishment hist.types. The disturbance would be determined by the prior field. If there is no data in prior, then establishment is event 1.

Does that make sense now?

[ValentineHerr]

Almost...

What I am missing is how to assign hist.type and percent.mortaliy based on prior because what exsits in the databse for prior is more complexe and more diverse than what is in refor.type and what is in table 2 of your word document.

The options for refor.type are C, F, H, PA, SC, SNR. The options for prior are: H F M SC PA C C/PA H/F SC/PA/H H/D F/D D TMC PA/H PA/C PA/F C/H SC/F SC/PA SC, PA SC & PA SC,PA SC, PA, H F/H SC/C

And just to make sure I have it right once you help with the above.

1. If refor.type is "SNR"

   a. if prior is empty

   • event.sequence 1: hist.cat "Establishment" with hist.type "Establishment of oldest trees"
   • event.sequence 2: hist.cat "Regrowth" with hist.type "Initiation of post-disturbance cohort (planted or natural)"

   b. if prior is NOT empty

   • event.sequence 1: hist.cat "Disturbance" with hist.type [your answer about prior]
   • event.sequence 2: hist.cat "Establishment" with hist.type "Establishment of oldest trees"
   • event.sequence 3: hist.cat "Regrowth" with hist.type "Initiation of post-disturbance cohort (planted or natural)"

2. If refor.type is NOT "SNR":

   • event.sequence 1: look at refor.type and define hist.cat (if refor.type is "OG", then "No.disturbance", otherwise "Disturbance") and hist.type based on table 2 and refor.type

[ValentineHerr]

@CookPatton , where there is multiple codes in prior (e.g. C/PA or PA/F...), do we know the order in which these occured? If not, can we come up with some rules for each of these categories as to what should be the sequence of disturbance?

[CookPatton]

@ValentineHerr I only recorded the most recent land use so C/PA refers to a paper that said something vague like "prior to regeneration land was used for crop and pasture."

[ValentineHerr]

Thanks @CookPatton!, @teixeirak, how should I interpret that then ?

[teixeirak]

GROA regen type	Hist.type	percent.mortality
C = crop	Cultivation	100
SC = shifting cultivation/fallow agriculture/slash and burn agriculture	Shifting cultivation	100
H = clearcut harvest	Harvest	100
F= fire	Burned	NAC
D = non-fire disturbance such as landslide or hurricane	NAC[TKA1]	NAC
PA = pasture	Grazed	100
new categories:
C/PA or PA/C	Agriculture_generic	100
SC/PA/H	Agriculture_generic	100
H/D	StandClearing	100
F/D	StandClearing	100
H/F or F/H	StandClearing	100
PA/C	Agriculture_generic	100
SC/PA or SC, PA or SC & PA or SC,PA or SC, PA	Agriculture_generic	100
SC/C	Cultivation	100
M = Mining	StandClearing	100
TMC = "tree" monocrop (e.g., banana/rubber plantation)	Cultivation	100
The following get two history events:
PA/H	Harvest	100
"	Grazed	100
PA/F	Burned	100
"	Grazed	100
C/H	Harvest	100
"	Cultivation	100
SC/F	Fire	100
"	Shifting cultivation	100

@CookPatton, please check that I've interpreted all off those right.

[CookPatton]

@ValentineHerr and @teixeirak - first of all kudos for all the work you have put in to sync GROA with ForC!

M = mining TMC = "tree" monocrop (e.g., banana/rubber plantation)

[teixeirak]

@CookPatton, Thanks! @ValentineHerr, this should be ready to go.