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Botany

Series

2020

Lichens

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Impacts Of Rock Climbing On Lichen And Bryophyte Cliff Communities In The Arid West, Giovanna M. Bishop Jan 2020

Impacts Of Rock Climbing On Lichen And Bryophyte Cliff Communities In The Arid West, Giovanna M. Bishop

2020 Symposium Posters

Lichens and bryophytes make up the majority of the diversity and cover in cliff systems around the world. Recently, with the rapid rise of rock climbing, there are concerns rock climbers are negatively impacting cliff communities. My study will compare climbed and unclimbed granite cliffs to better understand the impacts of rock climbing on lichen and bryophyte diversity and cover in eastern Washington. The objectives of this study are to assess the impacts of rock climbing on lichen and bryophyte cliff community diversity and cover and improve route development and cliff management practices for lichens and bryophytes. This study will …


A Preliminary Checklist Of Lichens From Kamiak Butte County Park, Washington State, Emma Sell, Amanda Chandler Jan 2020

A Preliminary Checklist Of Lichens From Kamiak Butte County Park, Washington State, Emma Sell, Amanda Chandler

2020 Symposium Posters

The semiarid Palouse ecoregion of North America was once dominated by temperate prairies and connects areas of southeast Washington, north-central Idaho, and northeast Oregon. Transformation of nearly all habitats comprising this ecosystem into agricultural lands has drastically reduced extant native grasslands to small, highly fragmented pieces. These land conversion practices, coupled with the subsequent takeover of invasive plant species, have placed the Palouse ecoregion among the most critically endangered ecosystems in the United States, with < 1% of land remaining that is suitable to host native species. The enormous loss of biodiversity across the Palouse has prompted a need for further study regarding a wide variety of organisms. In particular, lichen diversity of the Palouse ecoregion has never been formally characterized, and there are overall very few detailed studies of lichens throughout eastern Washington. To improve knowledge of Palouse lichen diversity, we first reviewed collection data from historical herbarium specimens via the Consortium of North American Lichen Herbaria (CNALH) database. We then collected lichen voucher specimens from Kamiak Butte County Park (KBCP), one of the largest contiguous natural areas within the Palouse ecoregion as its relatively steep, rocky slopes make it ill-suited for agricultural conversion. KBCP consists of 298 acres of mixed Pinus ponderosa (ponderosa pine) and Pseudotsuga menziesii (Douglas fir) forest and native grassland that rises above the surrounding farmland, as well as an east-west ridgeline …