Ecological Archives E092-052-A1

Christy E. Briles, Cathy Whitlock, Carl N. Skinner, and Jerry Mohr. 2011. Holocene forest development and maintenance on different substrates in the Klamath Mountains, northern California, USA. Ecology 92:590–601.

Appendix A (TABLE A1). Detailed site descriptions for lakes with vegetation and fire histories in the Klamath Mountains.

Site Lat Long Elev. Size Water Depth Local Vegetation Climatea,b Geology
Sites on ultramafic substrates
Crater Lake 41.3836 -122.5797 2288 m 6 ha 12.15 m Pinus albicaulis,
P. monticola,
P. jeffreyi,
P. contorta,
Abies magnifica,
Tsuga mertensiana,
Cercocarpus ledifolius
Avg. annual ppt: 989 mm
Avg. Jan. ppt: 169 mm
Avg. July ppt: 13 mm
Mipt: 0.58
Avg. Jan. temp: -4.6 °C
Avg. July temp: 14.3 °C
Peridotite substrates  
Bluff Lake 41.3466 -122.5598 1926 m 3 ha 1.7 m Pinus jeffreyi,
P. contorta,
Calocedrus decurrens,
Abies concolor,
Quercus vaccinifolia
Avg. annual ppt: 1048 mm
Avg. Jan. ppt: 180 mm
Avg. July ppt: 11 mm
Mipt: 0.62
Avg. Jan. temp: -2.6 °C
Avg. July temp: 15.2 °C
Peridotite substrates
Cedar Lakec 41.2075 -122.4954 1742 m 4 ha 2.6 m Pinus jeffreyi,
P. contorta,
Cupressus lawsoniana,
Abies concolor,
Quercus vaccinifolia
Avg. annual ppt: 1120 mm
Avg. Jan. ppt: 196 mm
Avg. July ppt: 10 mm
Mipt: 0.59
Avg. Jan. temp: -1.5 °C
Avg. July temp: 15.9 °C
Peridotite substrates  
Mumbo Lake 41.1913 -122.5092 1860 m 4 ha 3.2 m Abies concolor,
A. magnifica,
Tsuga mertensiana,
Pinus monticola,
P. jeffreyi,
P. contorta,
Quercus vaccinifolia
Avg. annual ppt: 1096 mm
Avg. Jan. ppt: 192 mm
Avg. July ppt: 10 mm
Mipt: 0.60
Avg. Jan. temp: -2.2 °C
Avg. July temp: 15.7 °C
Diorite substrates with extensive peridotite outcrops nearby and in watershed
Sites on non-ultramafic substrates
Bolan Lake 41.0225 -122.4583 1637 m 5 ha 11.25 m Abies concolor,
Pinus monticola,
Abies magnifica,
Pseudotsuga menziesii,
Calocedrus decurrens
Avg. annual ppt: 1139 mm
Avg. Jan ppt: 202 mm
Avg. July ppt: 11 mm
Mipt: 0.58
Avg. Jan. temp: -1 °C
Avg. July temp: 14.7 °C
Diorite substrates with minor serpentine outcrops in the watershed
Sanger Lake 41.9021 -122.6465 1547 m 4 ha 7.19 m Picea breweriana,
Cupressus lawsoniana,
Abies concolor,
Pinus monticola
Avg. annual ppt: 1328 mm
Avg. Jan. ppt: 234 mm
Avg. July ppt: 12 mm
Mipt: 0.62
Avg. Jan. temp: 0 °C
Avg. July temp: 13.9 °C
Diorite substrates with minor serpentine outcrops in the watershed
Campbell Lake 41.5333 -123.1050 1750 m 12 ha 7.12 m Pinus monticola
Abies concolor
A. magnifica
Pseudotsuga menziesii
Avg. annual ppt: 1155 mm
Avg. Jan ppt: 202 mm
Avg. July ppt: 12 mm
Mipt: 0.64
Avg. Jan. temp: -1.3 °C
Avg. July temp: 14.4 °C
Metamorphic substrates from schist, shale, and mudstone and diorite
Taylor Lake 41.3614 -122.9675 1979 m 5 ha 9.45 m Abies concolor,
A. magnifica Pinus monticola,

Tsuga mertensiana,
Amelanchier alnifolia
Avg. annual ppt: 1099 mm
Avg. Jan. ppt: 194 mm
Avg. July ppt: 12 mm
Mipt: 0.67
Avg. Jan. temp: -2.7 °C
Avg. July temp: 14.5 °C
Granodiorite substrates

a Elevationally adjusted interpolations of nearby weather station data (Bartlein and Shafer, unpublished data, 2007).
b Mipt--Priestley-Taylor (alpha) parameter (actual evaporation/potential evaporation)
c J.A. Mohr, T. Minckley, and C.Whitlock, unpublished data


[Back to E092-052]