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3.5 Rare Species, Species of Concern

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3.5 Rare Species, Species of Concern Braya linearis. Photo: Mora Aronsson 3.5 RARE SPECIES, SPECIES OF CONCERN As elsewhere in the world, the Arctic is home to species that are threatened DQGRIFRQVHUYDWLRQFRQFHUQ:KLOHRQO\LGHQWLࡼHGDVD)(&IRUSODQWVDQG fungi, they have been assessed within other taxonomic groups as well, depending on data, and are presented here when applicable. The IUCN sets a global standard for assessing and classifying threatened species and the ,8&15HG/LVWRI7KUHDWHQHG6SHFLHV (Red List) is the most comprehensive information source on species status and extinction risk. Nevertheless, although more than 120,000 species have been assessed to Lead Author: Mora Aronsson, date (IUCN 2020a), there are many species, including many that live in the Arctic, that have not been assessed globally, and no regional assessment for Contributing authors: the Arctic as a whole has been produced. Bruce Bennett, Casey T. Burns, Starri Heiðmarsson and Mikhail Species under threat are found throughout the Arctic; however, the collection Soloviev. of data and production of lists is not standardised across countries and regions. Most countries have species lists that follow the IUCN regional guidelines for application of the Red List criteria (IUCN 2012b), but most are not comprehensive nor are they completely consistent in the application of the FULWHULDPDNLQJFRPSDULVRQVRUVXPPDULHVGLࡺFXOW7KHDPRXQWRIGDWDLVDOVR GLಀHULQJEHWZHHQGLಀHUHQWJURXSVZLWKPXFKPRUHUHOHYDQWGDWDFROOHFWHG for mammals and birds compared to invertebrates and fungi. As of 2020, Red Lists for three regions completely within the CAFF boundary are available for Greenland, Iceland, and Svalbard. There are also regularly updated Red Lists for Norway, Sweden and Finland that include species occurring within the CAFF boundary. Russia has Red Data Books, using criteria similar to IUCN, 88 2021 | STATE OF THE ARCTIC TERRESTRIAL BIODIVERSITY REPORT 3.5.1 GREENLAND, ISLAND AND SVALBARD for regions that include parts of the Arctic. Both Canada Red Lists from the Nordic states, including Greenland, and the U.S. have systems that assess species based on the are based on the IUCN criteria (IUCN 2012a, 2012b). The IUCN criteria at the national and regional levels. They also latest Red List for Svalbard was published in 2015 as part have separate lists of species protected under legislation of the Norwegian Red List (Henriksen & Hilmo 2015), the that do not necessarily include all species on the Red Lists. most recent for Iceland was published in 2018 (Icelandic Institute of Natural History 2018a, 2018b, 2018c) and the In this chapter only species that are related to the latest for Greenland in 2018 (Boertmann & Bay 2018). terrestrial CBMP-plan are taken into concern, freshwater 7KHUH DUH VRPH GLಀHUHQFHV LQ WKH FRYHUDJH RI JURXSV and marine species are omitted. of organisms between the lists, but they are all more or less complete assessments for the groups they do cover. On the global scale, concerning the Arctic, there are only All three Red Lists cover mammals, birds, and vascular assessments made by IUCN on mammals and birds. The plants. The Red List from Greenland also includes only mammal under the CBMP–Terrestrial Plan that VRPH IHZ EXWWHUࡽLHV 7DEOH DQG 7DEOH 7KH meets any Red List criteria is caribou/reindeer Rangifer caribou/reindeer in east Greenland (Rangifer tarandus tarandus, which is considered Vulnerable (VU). All other eogroenlandicus) was last seen in 1899 and is probably assessed mammals are considered Least Concern (LC). Extinct (EX) due to some very harsh winters. The Regionally Extinct (RE) species from Greenland are: the Among the birds listed in Table 3-2 (88 species), 10 species vascular plant Melancholy Thistle (Cirsium helenioides) fall within the ‘threatened’ IUCN Red List categories (IUCN a marginal population of a common northwest European 2012a). These are: Critically Endangered (CR) - spoon- species; two bird species, Barrow's Goldeneye (Bucephala billed sandpiper (Eurynorhynchus pygmeus), siberian islandica) which was always rare in Greenland with crane (*UXVOHXFRJHUDQXV) and eskimo curlew (Numenius unknown reason for disappearance, and Fieldfare borealis) (possibly extinct); Endangered (EN) - great knot (Turdus pilaris), a species on its margin that only (Calidris tenuirostris); and Vulnerable (VU) - lesser white- occurred at southernmost Greenland for 50 years. The fronted goose (Anser erythropus), red-breasted goose Regionally Extinct species from Iceland are: the vascular (%UDQWD UXȴFROOLV), snowy owl (Bubo scandiacus), long- plant Greenland Primrose (Primula egaliksensis) tailed duck (Clangula hyemalis), bristle-thighed curlew known from one site, an outlier of the North American (Numenius tahitiensis) and steller's eider (Polysticta distribution with unknown reason for disappearance; stelleri). An additional nine species are considered Near and two birds, House Sparrow (Passer domesticus) and Threatened (NT) — red knot (although some subspecies Water Rail (Rallus aquaticus), the latter being threatened are Threatened), curlew sandpiper (Calidris ferruginea), by drainage of wetlands and introduction of the invasive semipalmated sandpiper (Calidris pusilla), red-necked stint American mink. No species is known to have become (&DOLGULVUXȴFROOLV), emperor goose (Anser (Chen) canagica), Regionally Extinct (RE) in Svalbard to date. yellow-billed loon (*DYLD DGDPVLL), bar-tailed godwit (/LPRVD ODSSRQLFD), spectacled eider (6RPDWHULD ȴVFKHUL) Future climate change is the most frequently reported DQG EXಀEUHDVWHG VDQGSLSHU 7U\QJLWHV VXEUXȴFROOLV) threat on the Red Lists from all three areas, with various (IUCN, 2020b), see also Chapter 3.3.2.4 and Table 3-2. GLಀHUHQWHಀHFWV 7DEOH1XPEHURIVSHFLHVRQ5HG/LVWVLQ*UHHQODQG ,FHODQG DQG6YDOEDUG E\,8&1FDWHJRU\ REGIONAL CRITICALLY NEAR DATA ENDANGERED VULNERABLE TOTAL EXTINCT ENDANGERED THREATENED DEFICIENT Greenland 4 0 1 57 36 9 107 Iceland39 124415891 Svalbard 0 9 19 17 40 0 85 7DEOH1XPEHURIVSHFLHVRQ5HG/LVWVLQ*UHHQODQG ,FHODQG DQG6YDOEDUG E\WD[RQRPLFJURXS VASCULAR MAMMALS BIRDS LICHENS ARTHROPODS TOTAL PLANTS Greenland 3 14 89 - 1 107 Iceland 0 30 61 - - 91 Svalbard 0 8 60 17 0 85 STATE OF THE ARCTIC TERRESTRIAL BIODIVERSITY REPORT | 2021 89 3.5.2 FINLAND, SWEDEN, AND MAINLAND NORWAY Norway (mainland), Sweden and Finland regularly similar number of known species in the three groups. SURGXFH5HG/LVWVXSGDWHGDWࡼYHWRWHQ\HDUVLQWHUYDOV The main threats reported are primary and secondary (last editions: Norway, Henriksen & Hilmo 2015; Sweden, HಀHFWV IURP FOLPDWH FKDQJH RYHUJURZWK FKDQJLQJ SLU Artdatabanken 2020; and Finland, Hyvärinen vegetation and disappearing snow patches. Some et al. 2019). Table 3-9 and Table 3-10 show the Red- species are also impacted by overgrazing by reindeer. listed species from these countries whose distributions include the sub-Arctic part of the CAFF area (species Four species are listed as Regionally Extinct (RE) in with distribution only in the boreal forest part of the )LQODQGȃWZR PRWK VSHFLHV Catastia kistrandella and CAFF area are not included). Anarta farnhami; a hemipteran bug, 3VDPPRWHWWL[ frigidus; and the wild subspecies of reindeer (Rangifer .QRZOHGJH GLಀHUV EHWZHHQ WKH WKUHH VWDWHV UHJDUGLQJ tarandus tarandus). The wild subspecies of reindeer bryophytes, lichens, and invertebrates in the alpine LV DOVR FODVVLࡼHG DV 5HJLRQDOO\ ([WLQFW 5( LQ 6ZHGHQ environment. Finland and Sweden have many more The cause of regional extinction of wild reindeer Red-listed bryophytes than Norway and Finland has was hunting. The cause of the disappearance of the many more Red-listed lichens and invertebrates than arthropods is unknown. Sweden and Norway, even though the three states have 7DEOH1XPEHURIVSHFLHVRQUHJLRQDO5HG/LVWVZLWKLQWKH&$))ERXQGDU\LQ)LQODQG 6ZHGHQ DQG1RUZD\ E\,8&1VWDWXVFDWHJRU\ REGIONALLY CRITICALLY NEAR DATA ENDANGERED VULNERABLE TOTAL EXTINCT ENDANGERED THREATENED DEFICIENT Norway 0 4 37 36 63 0 140 Sweden 1 4 25 84 98 26 238 Finland 4 85 145 174 251 99 758 7DEOH1XPEHURIVSHFLHVRQUHJLRQDO5HG/LVWVZLWKLQWKH&$))ERXQGDU\LQ)LQODQG 6ZHGHQ DQG1RUZD\ E\WD[RQRPLFJURXS VASCULAR MAMMALS BIRDS ARTHROPODS MOLLUSCS BRYOPHYTES LICHENS FUNGI TOTAL PLANTS Norway 3 13 19 0 59 38 4 4 549 Sweden 3 14 65 1 40 110 4 1 241 Finland 5 26 190 0 77 178 267 15 143 3.5.3 RUSSIA Russia has both national and regional Red Data books. 5HJLRQDOO\([WLQFW 7KHVHDUHࡼYHYDVFXODUSODQWVRQWKH Nine of the regions include portions of CAFF area. Red HGJHRIWKHLUUDQJHVȃ0RXQWDLQ.LGQH\9HWFK Anthyllis Data books for these regions have been published since vulneraria subsp. lapponica) and Alpine Chamorchis 2000 and the criteria used have evolved to be consistent (Chamorchis alpina) from Murmansk Region, narrow- ZLWK WKH ,8&1 FULWHULD 7KH PDLQ GLಀHUHQFH EHWZHHQ leaved marsh orchid ('DFW\ORUKL]DODSSRQLFD) and Pale the Russian and current IUCN criteria is the inclusion Gentian (*HQWLDQHOOD DXUHD) from Nenets Okrug and of a naturally rare species category. Most species listed silver cloak fern (Aleuritopsis argentea) from Sakha in Russia are listed in this category. There is also a Republic; one beetle from Sakha Republic (Carabus UHJLRQDOGLಀHUHQFHLQWKHJURXSVRIRUJDQLVPVWKDWDUH cancellatus) – also on the edge of its range; and two DVVHVVHG PDLQO\ GXH WR GLಀHUHQW H[SHUW DYDLODELOLW\ ELUGVȃ6LEHULDQ&UDQH *UXVOHXFRJHUDQXV) in Nenets More information on the Russian categories and criteria Okrug and Swan Goose (Anser cygnoides) in Kamchatka can be found in references listed in Table 3-11. Krai. Both birds are on the global Red List; the Siberian Crane as Critically
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