Figure 2 - uploaded by Ryne Rutherford
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Selected locations of biological interest at Seven Lakes Nature Preserve. Map courtesy Google Earth.
Source publication
A biological inventory for multiple taxa aa 4,000 acre nature preserve.
Contexts in source publication
Context 1
... highly specialized plant community occurred in scattered isolated pockets throughout Seven Lakes. Excellent examples occur around the margins of Owl, Gopher (Photo 9) and Deerfoot Lakes and in other isolated locations such as the Twin Bogs and at Glory Bog (see locations in Figure 2, Table 1). Highly specialized plants, such as purple pitcher plant (Sarrencia purpurea), Andromeda glaucophylla, Chamaedaphne calyculuta, Kalmia polifolia, Carex paucifola, Carex oligosperma, Eriophorum virginicum, Rhyncospora alba and Xyris montana. ...
Context 2
... bird surveys here in 2017 indicated higher species diversity and densities than the surrounding managed forest. Shown above is Casey Lake Hardwoods ( Figure 2, Table 1). ...
Context 3
... growth eastern hemlock was present along the edge of ravines along the Fox River downstream from Casey Lake with Susan Fawcett (photo 7, left). A strip of white pine dominated drymesic northern forest covered the west facing shoreline of Gopher Lake (photo 8, right) (see Fox River Old Growth and Gopher Lake White Pine in Figure 2, Table 1). ...
Context 4
... 13-14. Poor Conifer Swamp in the Casey Creek Boreal Forest (photo 13, left) and abundant floating and submergent plants in Deerfoot Lake (photo 14, right) (see Casey Creek Boreal Forest Figure 2, Table 1). ...
Context 5
... further evidence they should be treated as a native species and have not been shown to pose a threat for other aquatic creatures. Also significant was a single mink frog (Lithobates septentrionalis) discovered at the Fox River Headwaters ( Figure 2, Table 1, Photo 24). This a boreal species at the southern limit of its range in the U.P. and possibly declining in the state. ...
Context 6
... open sandy area on the south end of the airstrip had the largest number of turtle nests. Virtually all the bridge crossings also had nesting turtles, particularly the Casey Creek and Fox River crossings along the main track and the Centerline Lake Bridge (Figure 2, Table 1). Special care should be taken when driving around these bridge crossings during the June nesting season. ...
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Citations
... Two-hundred ninety-nine species were found on the initial all-taxon biological inventory (Rutherford 2018). That number increased to 462 after surveys in 2020 and 2021 and now stands at 493 and four hybrids after follow-up surveys in 2022. ...
The Seven Lakes Nature Preserve comprises nearly 2,400 hectares of aquatic, wetland, and upland habitats in southeastern Alger and northeastern Schoolcraft counties in the eastern Upper Peninsula of Michigan. The preserve was obtained and protected by the J.A. Woollam Foundation and has undergone several expansions. In an area of Michigan with relatively limited development and few roads, the natural communities of Seven Lakes are highly intact, and many of its habitats have recovered since the historic logging era. Botanical surveys were conducted in 2016, 2017, 2020, 2021, and 2022 with the goals of describing the natural communities and ecosystem processes and of producing a comprehensive floristic inventory. The post-glacial natural history of the region and a description of climate and soils are provided. A floristic quality assessment was performed, yielding a Total Floristic Quality Index of 99.9, a Total Mean C of 4.5 and a Native Mean C of 5.3. Within the upland forests, shrubby and forested wetlands, and open wetlands, eleven plant communities are described following the classification system proposed by the Michigan Natural Features Inventory. The floristic affinities of rare or otherwise noteworthy taxa are discussed, as are potential threats to the ecosystem. Four-hundred ninety-three species and four hybrids were observed during our surveys, 147 species are represented by specimen vouchers and 440 are recorded as photo vouchers on iNaturalist. Sixteen new species records for Alger County are reported.
