Sinkhole / collapsed-cave wetland

Kauaʻi evidence

Classification/source support: SRC-HAB-009

Names and classification

Scientific name

Not applicable

Common names

Sinkhole / collapsed-cave wetland

Hawaiian names

Not assessed

Record type

habitat

Kauaʻi occurrence and status

Kauaʻi occurrence

Present

Origin

Native natural habitat

Conservation status

Not formally assessed

Evidence date

2026-09-13

Evidence limits

This record represents an operational habitat class, not every site-specific plant association or mapped polygon.

Habitat and ecology

Habitats

Sinkhole / collapsed-cave wetland

Food and resource needs

Not applicable

Reproduction

Not applicable

Shelter

Not applicable

Substrate

Limestone/sediment

Threats and conservation

Threats

Hydrologic alteration, sediment, pollution, invasive species, physical disturbance and climate variability can change habitat function.

Conservation actions

Protect habitat extent and connectivity, control invasive species and damaging disturbance, restore native structure/processes, and monitor condition.

Monitoring

Track extent, condition, hydrology/physical structure, native/alien composition, disturbance exposure and restoration response.

Data gaps

Exact islandwide area, condition and trend may vary by source layer and mapping scale.

Process and seasonal context

Seasonal timing

Year-round unless hydrologically seasonal

Seasonal description

Sinkhole / collapsed-cave wetland is a documented Kauaʻi habitat type in the subterranean & karst system.

Place and watershed context

Habitat system

Subterranean & Karst

Habitat class

natural

Moisture regime

Wet

Salinity regime

Fresh

Water regime

Ponded/groundwater influenced

Vegetation structure

Open sinkhole wetland/vegetation

Sources and further reading

• https://cavereserve.org/