ISSN 0003-3847
© Finnish Zoological and Botanical Publishing Board 2000

Contents of Volume 37 Number 1, 2000

Huopalainen, M., Tuittila, E.-S., Vanha-Majamaa, I., Nousiainen, H., Laine, J. & Vasander, H. 2000: The potential of soil seed banks for revegetation of bogs in SW Finland after long-term aerial pollution. — Ann. Bot. Fennici 37: 1–9.
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Koponen, T., Enroth, J., Fang, Y.-M., Huttunen, S., Hyvönen, J., Ignatov, M., Juslén, A., Lai, M.-J., Piippo, S., Potemkin, A. & Rao, P. 2000: Bryophyte flora of Hunan Province, China. 1. Bryophytes from Mangshan Nature Reserve and Wulingyuan Global Cultural Heritage Area. — Ann. Bot. Fennici 37: 11–39.
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Potemkin, A. D. 2000: Bryophyte flora of Hunan Province, China. 2. Scapania koponenii sp. nova (Scapaniaceae, Hepaticae). — Ann. Bot. Fennici 37: 41–44.
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Rao, P. 2000: Taxonomic studies on Cryphaea (Cryphaeaceae, Bryopsida). 2. Revision of Asian species. — Ann. Bot. Fennici 37: 45–56.
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Vainio-Mattila, K. 2000: Wild vegetables used by the Sambaa in the Usambara Mountains, NE Tanzania. — Ann. Bot. Fennici 37: 57–67.
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Welling, P. & Laine, K. 2000: Characteristics of the seedling flora in alpine vegetation, subarctic Finland, I: seedling densities in 15 plant communities. — Ann. Bot. Fennici 37: 69–76.
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Nomenclatural novelties in Annales Botanici Fennici 37(1), 2000: — Ann. Bot. Fennici 37: 77.
Text


Huopalainen, M., Tuittila, E.-S., Vanha-Majamaa, I., Nousiainen, H., Laine, J. & Vasander, H. 2000: The potential of soil seed banks for revegetation of bogs in SW Finland after long-term aerial pollution. — Ann. Bot. Fennici 37: 1–9.

We studied a soil seed bank composition using the germination method in three clearly polluted bogs, and in one bog farther away from the pollution source, in SW Finland. Total number of seedlings that emerged from the surface (0–5 cm deep) soil samples was significantly smaller in the farthest site (5.9 km, 939 seedlings m–2) as compared with sites situated 2.1 or 3.2 km (2882 and 3687 seedlings m–2, respectively) from the pollution source. The most common taxa in the seed banks were Calluna vulgaris and Betula spp. Only 18%–31% of the spermatophyte species were common to both seed bank and vegetation. The monodominance of Calluna was smallest, and the number of emergent seedlings of other mire species was highest in the farthest site. The high numbers of emergent seedlings show that seeds of some species can persist viable in the soil in polluted bogs.

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Koponen, T., Enroth, J., Fang, Y.-M., Huttunen, S., Hyvönen, J., Ignatov, M., Juslén, A., Lai, M.-J., Piippo, S., Potemkin, A. & Rao, P. 2000: Bryophyte flora of Hunan Province, China. 1. Bryophytes from Mangshan Nature Reserve and Wulingyuan Global Cultural Heritage Area. — Ann. Bot. Fennici 37: 11–39.

This is the first paper of a series dealing with the bryoflora of Hunan Province in China. The vegetation, geology and geological history of Mangshan Nature Reserve and Wulingyuan Global Cultural Heritage Area are described and the collecting sites of the 1997 and 1999 bryological expeditions there are listed. Our 1000 specimens studied so far represent 55 genera and 105 species in 28 families. A total of 19 genera, 3 species of Anthocerotae, 20 species of hepatics, and 46 species of mosses are for the first time recorded for the Hunan Province. Diplophyllum serrulatum (Müll. Frib.) Steph., Lopholejeunea brunnea Horik., and Metzgeria albinea Spruce are for the first time recorded for mainland China. Atrichum subserratum (Hook.) Mitt. extends its range from the Himalayas to Central Chinese mountains, and Dicranodontium asperulum (Mitt.) Broth. has a disjunct occurrence in Hunan between the Himalayas and Taiwan.

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Potemkin, A. D. 2000: Bryophyte flora of Hunan Province, China. 2. Scapania koponenii sp. nova (Scapaniaceae, Hepaticae). — Ann. Bot. Fennici 37: 41–44.

A new species, Scapania koponenii Potemkin, belonging to the subgenus Scapania (Dumort.) Dumort. sectio Ciliatae Grolle, is described on the basis of plants previously ascribed to SE Asian phenotypes of S. aspera M.&H. Bernet. Diagnostic characters and infrageneric position of S. koponenii are discussed and the species is illustrated in line drawings.

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Rao, P. 2000: Taxonomic studies on Cryphaea (Cryphaeaceae, Bryopsida). 2. Revision of Asian species. — Ann. Bot. Fennici 37: 45–56.

Seven species in the moss genus Cryphaea Mohr (Cryphaeaceae) are recognized for Asia. Cryphaea clandestina Enroth, C. lanceolata P. Rao & Enroth, C. obovatocarpa Okam., and C. songpanensis Enroth & T. J. Kop. are restricted to southeast Asia, C. omeiensis Rao sp. nova is described from Sichuan Province of China, C. amurensis Ignatov occurs in the far east of Russia, and C. heteromalla Mohr, a largely European species, is in Israel and Turkey. A key to the species and a distribution map of all species except C. heteromalla are given. Cryphaea sinensis Bartr. is transferred to the genus Sphaerotheciella Fleisch. as S. sinensis (Bartr.) P. Rao comb. nova.

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Vainio-Mattila, K. 2000: Wild vegetables used by the Sambaa in the Usambara Mountains, NE Tanzania. — Ann. Bot. Fennici 37: 57–67.

The utilization of wild green leafy vegetables was studied among the Sambaa people in the East and West Usambara Mountains, Tanzania. Seventy-three species of wild vegetables representing 26 families were recorded in the interviews and inquiries. These plants, locally known as mchicha, are commonly eaten as a form of stew, mboga, which is served as a sidedish of staple food, e.g., maize porridge (ugali). The majority of the informants stated that they use wild vegetables more than the cultivated ones. Wild vegetables are regarded as easily obtainable and palatable. Some of the recorded species are not indigenous but naturalized. Most of the recorded species are ruderal, growing by the roadsides and as weeds of arable land.

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Welling, P. & Laine, K. 2000: Characteristics of the seedling flora in alpine vegetation, subarctic Finland, I: seedling densities in 15 plant communities. — Ann. Bot. Fennici 37: 69–76.

Samples of mature vegetation and seedling flora were taken in 15 plant communities at Kilpisjärvi, subarctic Finland. The first aim of the study was to investigate seedling densities in different plant communities. The second, was to explore the importance of different regenerative groups, severe disturbances, altitude as well as cover of vegetation, bryophytes and litter in the prediction of seedling densities. Contrary to a common prediction, seedlings were abundant in many plant communities. The mean seedling density was closely related to the cover of the regenerative groups in the mature vegetation types and not related to the environmental factors. The densities did not decrease with altitude. Severe disturbances did not usually lead to higher seedling density, either. Thus estimating the cover of the regenerative groups in mature vegetation is a most useful tool in the prediction of seedling densities. By exploring the cover of the regenerative groups it is possible to map the landscape in terms of the seed regeneration for the purpose of restoration plans.

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Nomenclatural novelties in Annales Botanici Fennici 37(1), 2000

Cryphaea omeiensis P. Rao, sp. nova, p. 53
Scapania koponenii Potemkin, sp. nova, p. 41
Sphaerotheciella sinensis (Bartr.) P. Rao, comb. nova, p. 55

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