Mammoth Cave National Park Stonefly Records
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McRoberts T (2021): Mammoth Cave National Park Stonefly Records. v1.0. Biodiversity Data Journal. Dataset/Occurrence. http://ipt.pensoft.net/resource?r=macastoneflies&v=1.0
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Mammoth Cave National Park and adjacent Western Kentucky Green River Preserve
|Bounding Coordinates||South West [37.079, -86.309], North East [37.324, -85.831]|
|Start Date / End Date||2018-12-12 / 2019-12-07|
No Description available
|Title||Mammoth Cave National Park Stonefly Records|
|Funding||Western Kentucky University graduate student grant|
The personnel involved in the project:
Stonefly adults were collected monthly at 45 sites from December 2018–November 2019. There were 43 MACA sites, including one along the Green River. There were two GRP sites, also including a Green River site. The 45 sites were chosen to represent the broadest range of stream size and flow conditions at MACA and GRP, including some previously established research locations. Many sites were accessed through backcountry trails and service roads. Each sampling event was time structured for 30 minutes per site to standardize effort. Adults were collected using a beating sheet to dislodging individuals from streamside vegetation and hand-picked off trees, bridges, emergent leaf packs, woody debris, and rocks. Since larger-bodied predators are often less abundant, benthic larval collections occurred during December 2019–January 2020 to avoid underestimating representation mainly in the families Perlidae and Perlodidae. Sampling occurred with the use of a standard D-frame net and hand picking from rocks and leaf packs. All adult and larval specimens were preserved in 95% undenatured ethanol.
|Study Extent||Field work was performed in two near-adjacent landscapes. Mammoth Cave National Park (MACA) is a 21,380 ha (52,830 ac) US national park located primarily in Edmonson County and extending into areas of Hart and Barren counties of central Kentucky. The Western Kentucky University (WKU) Green River Preserve (GRP) is 648 ha (1600 ac) and is located 3 km west of MACA in Hart Co. There are portions of two US EPA Level III Ecoregions present at GRP and MACA. The Interior Plateau Level III Ecoregion (= 71) is characterized by Mississippian limestone valleys and sandstone cliffs. Subterranean streams, springs, karst windows, and very low surface stream density are characteristic of this region and specifically within MACA and GRP. The Interior River Valley and Hills Level III Ecoregion (= 72) at MACA and GRP is mostly Mississippian sandstones and some limestone. The 7th order Green River bisects both GRP and MACA.|
Method step description:
- Refer to sampling description