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Appleby, P.G., Birks, H.H., Flower, R.J., Rose, N., Peglar, S.M., Ramdani, M., Kraïem, M.M. & Fathi, A.A. 2001. Radiometrically determined dates and sedimentation rates for recent sediments in nine North African wetland lakes (the CASSARINA Project). Aquatic Ecology 35, 347-367.

Birks, H.H. 2001. 17 contributions to Encyclopedic Dictionary of Environmental Change (ed. J.A. Matthews). Edward Arnold.

Birks, H.H. 2001. Plant macrofossils. In Tracking Environmental Change using Lake Sediments. Volume 3: Terrestrial, Algal, and Siliceous Indicators. (eds. J.P. Smol, H.J.B. Birks & W.M. Last), pp. 49-74. Kluwer Academic Publishers, Dordrecht.

Birks, H.H. & Birks, H.J.B., with contributions from Flower, R.J., Peglar, S.M. & Ramdani, M. 2001. Recent ecosystem dynamics in nine North African lakes in the CASSARINA Project. Aquatic Ecology 35, 461-478.

Birks, H.H., Peglar, S.M., Boomer, I., Flower, R.J. & Ramdani, M., with contributions from Appleby, P.G., Bjune, A.E., Patrick, S.T., Kraïem, M.M., Fathi, A.A. & Abdelhazer, H.M.A. 2001. Palaeolimnological responses of nine North African lakes in the CASSARINA Project to recent environmental changes and human impact detected by plant macrofossil, pollen, and faunal analyses. Aquatic Ecology 35, 405-430.

Birks, H.J.B. 2001. 42 contributions to Encyclopedic Dictionary of Environmental Change (ed. J.A. Matthews). Edward Arnold.

Birks, H.J.B. 2001. Maximum likelihood environmental calibration and the computer program WACALIB - a correction. Journal of Paleolimnology 25, 111-115.

Birks, H.J.B. 2001. Spitsbergen Plants. Bulletin of the Alpine Garden Society 69, 388-399.

Bjelland, T. 2001. Comparative studies of the distribution and ecology of some oceanic species in the genus Leptogium (Lecanorales, Ascomycotina) in Norway. Nova Hedwigia 72, 1-44.

Brooks, S.J. & Birks, H.J.B. 2001. Chironomid-inferred air temperatures from lateglacial and Holocene sites in north-west Europe: progress and problems. Quaternary Science Reviews 20, 1723-1741.

Brooks, S.J. & Birks, H.J.B. 2001. One contribution to Encyclopedic Dictionary of Environmental Change (ed. J.A. Matthews). Edward Arnold.

Brooks, S.J., Bennion, H. & Birks, H.J.B. 2001. Tracing lake trophic history with a chironomid - total phosphorous inference model. Freshwater Biology 46, 513-533.

Dalton, C.P.D., Battarbee. R.W., Birks, H.J.B., Brooks, S.J., Cameron, N.G., Derrick, S., Evershed, R.P., McGovern, A., Peglar, S.M., Scott, J.A. & Thompson, R. 2001. Climate history through the Holocene at Lochnager, Scotland. Biology and Environment: Proceedings of the Royal Irish Academy 1013, 159.

Flower, R.J., Dobinson, S., Ramdani, M., Kraïem, M.M., Ben Hamza, C., Fathi, A.A., Abdelzaher, H.M.A., Birks, H.H., Appleby, P.G., Lees, J.A., Shilland, E. & Patrick, S.T. 2001. Recent environmental change in North African wetland lakes: diatom and other stratigraphic evidence from nine sites in the CASSARINA Project. Aquatic Ecology 35, 369-388.

Freund, H., Birks, H.H. & Birks, H.J.B. 2001. The identification of wingless Betula fruits in Weichselian sediments in the Gross Todtshorn borehole (Lower Saxony, Germany) - the occurrence of Betula humilis Schrank. Vegetation History and Archaeobotany 10, 107-115.

Goetcheus, V.G. & Birks, H.H. 2001. Full-glacial upland tundra vegetation preserved under tephra in the Beringia National Park, Seward Peninsula, Alaska. Quaternary Science Reviews 20, 135-147.

Heegaard, E. Environmental relationships of perichaetial and sporophyte production in Andreaea spp. in western Norway. Journal of Bryology 23, 97-108.

Heegaard, E., Birks, H.H., Gibson, C.E., Smith, S.J. & Wolfe-Murphy, S. 2001. Species - environmental relationships of aquatic macrophytes in Northern Ireland. Aquatic Botany 70, 175-223.

Hjelle, K.L. 2001. Eksisterte det et tettsted i Bergen i vikingtiden? Bosetningsutvikling basert på botanisk materiale. Årbok for Bergen Museum 2000, 58-63.

Korhola, A., Birks, H.J.B., Olander, H. & Blom, T. 2001. Chironomids, temperature and numerical models: a reply to Seppälä. The Holocene 11, 615-622.

Losvik, M.H. 2001. Variations in species richness in hay-meadow vegetation at Voss, west Norway, in relation to long-term management practices. Norwegian Journal of Geography 54, 77-84.

Lowe, J.J., Hoek, W.Z. and INTIMATE group (including H.H. Birks). 2001. Inter-regional correlation of palaeoclimatic records for the Last Glacial - Interglacial Transition: a protocol for improved precision recommended by the INTIMATE project group. Quaternary Science Reviews 20, 1175-1187.

Noon, P.E., Birks, H.J.B., Jones, V.J. & Ellis-Evans, J.C. 2001. Quantitative models for reconstructing catchment ice-extent using physical - chemical characteristics of lake sediments. Journal of Paleolimnology 25, 375-392.

Oba, G., Vetaas, O.R. & Stenseth, N.C. 2001. Relationships between biomass and plant species richness in arid-zone grazing lands. Journal of Applied Ecology 38, 836-845.

Peglar, S.M., Birks, H.H. & Birks, H.J.B., with contributions from Appleby, P.G., Fathi, A.A., Flower, R.J., Kraïem, M.M., Patrick, S.T. & Ramdani. M. 2001. Terrestrial pollen record of recent land-use changes around nine North African lakes in the CASSARINA Project. Aquatic Ecology 35, 431-448.

Ramdani, M., Elkhiati, N. & Flower, R.J., with contributions from Birks, H.H., Kraïem, M.M., Fathi, A.A. & Patrick, S.T. 2001. Open water zooplankton communities in North African wetland lakes: the CASSARINA Project. Aquatic Ecology 35, 319-333.

Ramdani, M., Flower, R.J. & Elkhiati, N., with contributions from Birks, H.H., Kraïem, M.M., & Fathi, A.A. 2001. Zooplankton (Cladocera, Ostracoda), Chironomidae and other benthic faunal remains in sediment cores from nine North African wetland lakes: the CASSARINA Project. Aquatic Ecology 35, 389-403.

Ramdani, M., Flower, R.J., Elkhiati, N., Kraïem, M.M., Fathi, A.A., Birks, H.H. & Patrick, S.T. 2001. North African wetland lakes: characterization of nine sites included in the CASSARINA Project. Aquatic Ecology 35, 281-302.

Rosén, P., Segerström, U., Eriksson, L., Renberg, I. & Birks, H.J.B. 2001. Holocene climatic change reconstructed from diatoms, chironomids, pollen and near-infrared spectroscopy at an alpine lake (Sjuodjijaure) in northern Sweden. The Holocene 11., 551-562.

Seppä, H. & Birks, H.J.B. 2001. July mean temperature and annual precipitation trends during the Holocene in the Fennoscandian tree-line area: pollen-based climate reconstruction. The Holocene 11, 527-539.

Sejrup, H.P., Kristensen, D.K., Birks, H.J.B. and 8 others. 2001. Temperaturforhold langs Norskekysten gjennom de siste 400 år. Cicerone 6/2001, 19-21.

Smol, J.P., Birks, H.J.B. & Last, W.M. (eds.) Tracking Environmental Change using Lake Sediments. Volume 3: Terrestrial, Algal, and Siliceous Indicators. Kluwer Academic Publishers, Dordrecht.

Smol, J.P., Birks, H.J.B. & Last, W.M. (eds.) Tracking Environmental Change using Lake Sediments. Volume 4: Zoological Indicators. Kluwer Academic Publishers, Dordrecht.

Totland, Ø. 2001. Environment-dependent pollen limitation and selection on floral traits in an alpine species. Ecology 82, 2233-2244.

Totland, Ø. & Sottocornola, M. 2001. Pollen limitation of reproductive success in two sympatric alpine willows (Salicaceae) with contrasting population strategies. American Journal of Botany 88, 1011-1015.

Tzedakis, P.C., Andrieu, V., de Beaulieu, J.-L., Birks, H.J.B., Crowhurst, S., Follieri, M., Hooghiemstra, H., Magri, D., Reille, M., Sadori, L., Shackleton, N.J. & Wijmstra, T.A. 2001. Establishing a chronological framework as a basis for biostratigraphical comparisons. Quaternary Science Reviews 20, 1583-1592.

Vetaas, O.R. 2001. Niche, scale and system stability: conceptual problems in nature-society analyses. Sosiologisk tidsskrift 9, 92-106.

Øvstedal, D.O. & Heegaard, E. 2001. Biodiversity and vegetation dynamics in the coastal heathlands of western Norway. Nordic Journal of Botany 21, 283-290.