. The Canadian field-naturalist. 408 The Canadian Field-Naturalist Vol. 117 132°W I isrw I Louise Island 18 Limestone Island Moresby Island. HcciiL' Stniit Gwaii Haanas National Park Reserve and Haida Heritage Site and proposed National Marine Conser\'ation Area 50 Kilometres 132°W 131°W Figure 2. Map of the Gwaii Haanas area showing Limestone Island (location 18) to the north and Treat Bay (location 17) to the south of the insets (see Figure 3 for insets). Catillaria calybeia, Rhizocarpon hensseniae and Rino- dina gennari. At least one lichen (Porina pacified) was found growing abundantly jus
. The Canadian field-naturalist. 408 The Canadian Field-Naturalist Vol. 117 132°W I isrw I Louise Island 18 Limestone Island Moresby Island. HcciiL' Stniit Gwaii Haanas National Park Reserve and Haida Heritage Site and proposed National Marine Conser\'ation Area 50 Kilometres 132°W 131°W Figure 2. Map of the Gwaii Haanas area showing Limestone Island (location 18) to the north and Treat Bay (location 17) to the south of the insets (see Figure 3 for insets). Catillaria calybeia, Rhizocarpon hensseniae and Rino- dina gennari. At least one lichen (Porina pacified) was found growing abundantly just outside the quadrats on a protected shore. The frequency of occurrence (%) of each species in each transect is listed according to shore exposure class in Table 2. Vernicaria maura occurred in all tran- sects on all shores. Among the eight most abundant lichens (frequencies exceeding 50% in all transects), four are endemic or nearly endemic to Haida Gwaii: Caloplaca litoricola, Coccotrema maritimum, Verni- caria epimaura and V. schofieldii; and one is endemic to the coastal Pacific Northwest {Herteliana alasken- sis). The semi-exposed shores had the most species and the most exposed shores yielded the fewest species. The results of the transect observations, expressed as metres above the FB (FMCw^/bamacle) zone, are given in Tables 3 and 4 organized according to the degree of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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