A XenoLife field botanist operating a white Harvester among bioluminescent Garden flora.

Research record XL-PYR-03 / GUNC-funded field study

Harvesting the edge of extinction.

A field-derived model of how Harvester skill, seed yield, and collection intensity alter the survival window of four Pyromycis specimens.

AuthorDr. Drake VellautStudy date03 / 04 / 2025StatusField model · open question

Skill slows collapse. It does not replace propagation.

Under the paper's zero-natural-growth assumption, any species with a seed yield below one declines whenever harvesting occurs. Skill Level 3 extends the modeled survival window by roughly two to three times, but only Glowy Rose reaches replacement or growth in the observed sample.

3
vulnerable species below replacement
2–3×
modeled survival gain at Skill Level 3
1
control flora at or above replacement

Pyromycis harvest survival

Population threshold: fewer than one whole specimen. Natural propagation is held at zero because its rate remains unmeasured in this study.

Harvester skill
Daily collection
Dark WizardP₀ 112 · seed ratio 0.720
54days to threshold
Brimmed BonnetP₀ 109 · seed ratio 0.597
37days to threshold
Witch's RingletP₀ 228 · seed ratio 0.733
66days to threshold
Glowy RoseP₀ 206 · seed ratio 2.000
Growthno modeled extinction
ModelPₙ₊₁ = Pₙ [(1 − f) + fr]

f = harvested fraction · r = observed seeds per specimen

Observed in the world, then tested in the model.

These captures preserve the specimen state encountered on Pyromycis; the visual record is kept separate from modeled propagation.

Active specimen / 01Dark WizardNocturnal field capture / vulnerable yield

Days to the whole-specimen threshold.

Values below are independently recalculated from the formula and ratios stated in the study. “No decline” means the model's growth factor is one or greater.

SpecimenSkillSeed ratio
Dark Wizard00.338221285
Dark Wizard30.72054322215
Brimmed Bonnet00.330211285
Brimmed Bonnet30.59737211510
Witch's Ringlet00.351261496
Witch's Ringlet30.73366382718
Glowy Rose01.000No declineNo declineNo declineNo decline
Glowy Rose32.000No declineNo declineNo declineNo decline

A warning from limited field data—not a law of nature.

01

Field-derived inputs

Maximum observed daily populations and seed returns establish the starting population and yield ratio for each specimen.

02

Instant planting

The model assumes harvested seeds propagate immediately. Any real delay would shorten the recovery window.

03

One Harvester

The scenario models one collector. Concurrent collection pressure could accelerate depletion.

04

Propagation unknown

Natural reproduction is not measured here. Sustainable quotas cannot be finalized until that rate is observed in-world.

Archived publicationEcological Sustainability of Harvesting Practices on Pyromycis Regarding Mushrooms