Abbreville, A.1962: Savanisation tropicale et glaciations quarternaires , Adansonia2, 16-84.
2.
1965: Les étranges savanes des Llanos de l'Orénoque. Adansonia5, 3-13.
3.
1966: Les lisières forêt-savane des regions tropicales. Adansonia6, 175-87.
4.
1968: Les étranges mosaique forêt-Savane du sommet de la boucle de l'Ogooué au Gabon. Adansonia7, 13-22.
5.
Acocks, J.P.1960: Veld types of South Africa. Botanical Survey of South Africa Memoir38, 201-341.
6.
Anderson, R.C.1982: An evolutionary model summarizing the roles of fire, climate and grazing animals in the origin and maintenance of grasslands . In Estes, J.R., Tyrl, R.J. and Brunken, J.N., editors, Grasses and grasslands, Norman, Oklahoma : University of Oklahoma Press, 297-308.
7.
Andreis, R.R.1972: Paleosuelos de la formacin Musters (Eoceno Medio), Laguna del Mate, Prov. de Chubut, Rep. Argentina. Revista de la Asociacion Argentina de Argent de Mineral, Petrol, Sedimentol3, 91-97.
8.
Aprosc1979: Range and pasture production. Kathmandu, Nepal: Agricultural Projects Services Center. (88 pp. mimeo.)
9.
Axelrod, D.I.1950: Studies in late Tertiary paleobotany. VI Evolution of desert vegetation in western North America. In Publication 590, Washington DC: Carnegie Institute, 215-306.
10.
Axelrod, D.I.1970: Mesozoic palaeogeography and early angiosperm history . Botanical Review36, 277-319.
11.
Baeumer, K.1956: Verbreitung u. Vergesselschaftung d. Glatthaefers u. d. Goldhafers im nördl. Rheinland. Decheniana Beihefte3, 1-77.
12.
Balátová-Tulácková, E.1969: Beitrag zur Kenntnis d. tschechoslowakischen Cnidion venosi Wiesen. Vegetatio17, 200-207.
13.
1972: Flachmoorwiesen im mittl. u. unteren Opava-Tal. Vegetace CSSRA4, 1-201.
14.
1979 : Introduction. In Coupland, R.T., editor, Grassland ecosystems of the world: analysis of grasslands and their uses. London, New York, Melbourne: Cambridge University Press, 115-26.
15.
Barnard, C. editor, 1969: Grasses and grasslands. London: Macmillan (269 pp.).
16.
Barnard, C. and Frankel, O.H.1966: Grass, grazing animals, and man in historic perspective . In Barnard, C., editor, Grasses and grasslands, London: Macmillan, 1-12.
17.
Bille, J.C., Lebrun, J.P. and Rivière, R.1968-69: Pâturages et cultures fourragères en Afrique intertropicale. Paris: Institut d'Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort/Secretariat d'Etat aux Affaires Estrangères Chargé de la Coopération, 1-218.
18.
Björkman, O.1976: Adaptive and genetic aspects of C4 photosynthesis . In Burris, R.H. and Black, C.C., editors, CO2 metabolism and plant productivity, Baltimore: University Park Press, 287-309.
19.
Black, C.C.1971: Ecological implications of dividing plants into groups with distinct photosynthetic production capacities. Advances in Ecological Research7,87-114.
20.
Blow, R.A. and Hamilton, N.1975: Palaeomagnetic evidence from DSDP cover of northward drift of India. Nature257, 570-72.
21.
Blazková, D.1974: Pflanzensoziol. studie über d. Wiesen d. Südböhmischen . Praha: Becken. (172 pp.).
22.
Blydenstein, J.1961: La vegetación de la Estación Biologica de los Llanos . Boletin de la Sociedad Venezolana Ciencia Natural22, 208-12.
23.
1967: Tropical savanna vegetation of the llanos of Colombia . Ecology48, 1-15.
24.
Bomkamm, R.1974: Zur konkurrenzkraft von Bromus erectus. Botanishe Jahrbucher94, 391-412.
25.
Bosser, J.1969: Graminées des pâturages et des cultures à Madagascar . Paris: Office de la Recherche Scientifique et Technique Outre-Mer, Mémoire no. 35, 1-440.
26.
Boudet, G. and Ellenberger, J.F.1971: Etude agrostologique de Bercea de la Race N'Dama dans le Cercle de Yanifolila (République de Mali) . Maisons-Alfort, France: Institut Français d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, Etude Agrostologique30, 1-175.
27.
Boutton, T.W., Harrison, A.T. and Smith, B.N.1980: Distribution of biomass of species differing in photosynthetic pathway along an altitudinal transect in southeastern Wyoming grassland. Oecologia45, 287-98.
28.
Bourlière, F. and Hadley, M.1970: The ecology of tropical savannas. Annual Review ofEcology and Systematics1, 125-52.
Braun-Blanquet, J. and Tüxen, R.1952: Die Pflanzengesellschaften Irlands. Veröoffenilichungen Geobotanischen Instituts Rübel Zürich25, 224-415.
31.
Burkart, A.1975: Evolution of grasses and grasslands in South America . Taxon24, 53-66.
32.
Cabrera, A.L.1970: La vegetación del Paraguay en el cuadro fitogeográfico de America del sur. Boletin de la Sociedad Argentina de Botanica11 (Supplement), 121-32.
33.
Caldwell, M.M., Richards, J.H., Johnson, D.A., Nowak, R.S. and Dzurec, R.S.1981: Coping with herbivory: Photosynthetic capacity and resource allocation in two semiarid Agropyron bunchgrasses. Oecologia50, 14-24.
34.
Chang, N.K. and Yun, I.S.1969: A study on the grassland types and plant succession in Korea. KoreanJournal of Animal Science11, 254-57.
35.
Chaudhri, I.I.1960: The vegetation of the Kaghan Valley. Pakistan Journal of Forestry10, 285-94.
36.
Chazdon, R.L.1978: Ecological aspects of the distribution of C 4 grasses in selected habitats of Costa Rica. Biotropica10, 165-69.
37.
Clark, J.D.1970: The prehistory of Africa. London : Thames and Hudson. (302 pp.).
38.
Coaldrake, J.E.1979: The natural grasslands of Australasia. In Numata, M., editor, Ecology of grasslands and bamboolands in the World. The Hague: Dr W. Junk Publisher, 133-40.
39.
Cockayne, L.1958: Vegetation of New Zealand, third edition. New York: Hafner Publishing Company. (456 pp.).
40.
Cole, M.M.1960: Cerrado, caatinga and pantarral: the distribution and origin of the savanna vegetation of Brazil. Geography Journal126, 168-79.
41.
Cooper, J.P. and Tainton, N.M.1968: Light and temperature requirements for the growth of tropical and temperate grasses. Herbage Abstracts38, 167-76.
42.
Costin, A.B.1954: A study of the ecosystems of the Monaro region of New South Wales. Sydney, Australia: Government Printer .
43.
Coupland, R.T.1950: Ecology of mixed prairie in Canada. Ecological Monographs20,271-315.
44.
Csa1956: Phytogeography (Yangambi, 1956). CCTA Number 22, Conseil Scientifique pour l'Afrique , London. (35 pp.).
45.
Dabadghao, P.M. and Shankarnarayan, K.A.1973: The grass cover of India . New Delhi: Indian Council of Agricultural Research. (713 pp.).
46.
Dahl, B.E. and Hyder, D.N.1977: Developmental morphology and management implications . In Sosebee, R.E., editor, Range Science Series Number 4, Denver, Society for Range Management, 257-90.
47.
Daubenmire, R.F.1978: Plant geography with special reference to North America . New York, San Francisco , London: Academic Press. (338 pp.).
48.
Davis, M.B.1976: Pleistocene biogeography of temperate deciduous forests . Geoscience and Man13, 13-26.
49.
de Wet, J.M.1981: Grasses and the culture history of man. Annals of the Missouri Botanical Gardens68, 87-104.
50.
Dix, R.L.1964: A history of biotic and climatic changes within the North American grassland. Grazing in terrestrial and marine environments , British Ecological Society Symposium4, 71-89.
51.
Doliner, L.H. and Jolliffe, P.A.1979: Ecological evidence concerning the adaptive significance of the C4 dicarboxylic acid pathway of photosynthesis. Oecologia48, 23-34.
52.
Dorf, E.1960: Climatic changes of past and present. Science48, 341-64.
53.
Downes, R.W.1969: Differences in transpiration rates between tropical and temperate grasses under controlled conditions. Planta88, 261-73.
54.
Downes, R.W. and Hesketh, J.D.1968: Enhanced photosynthesis at low oxygen concentrations: differential response of temperate and tropical grasses. Planta78, 78-94.
55.
Dyer, M.I., Detling, J.K., Coleman, D.C. and Hilbert, D.W.1982: The role of herbivores in grasslands. In Estes, J.R., Tyrl, R.J. and Brunken, J.N., editors, Grasses and grasslands, Norman, Oklahoma: University of Oklahoma Press, 255-95.
56.
Eden, M.J.1970: Savanna vegetation in the northern Rupununi, Guyana. Journal of TropicalGeography30, 17-28.
57.
Ehrendorfer, F.1970: Geographical and ecological aspects of infraspecific differentiation . In Heywood, V.H. , editor, Modern methods in plant taxonomy, New York: Academic Press, 261-96.
58.
Eickmeier, W.G.1978: Photosynthetic pathway distributions along an aridity gradient in Big Bend National Park, and implications for enhanced resource partitioning. Photosynthetica12, 290-97.
59.
Eiten, G.1972: The cerrado vegetation of Brazil. Botanical Review38, 201-341.
60.
Ellenberg, H.1963: Vegetation Mitteleuropas mit den Alpen in Kausaler, dynamischer und historischer Sicht. In Walter, H., editor, Einführung in die Phytologie, volume 4, part II, Stuttgart: Ulmer, 1-943.
61.
Epis, R.C. and Chapin, C.E.1975: Geomprohic and tectonic implications of the post Laramide, late Eocene erosion surface in the southern Rocky Mountains. In Curtis, B.F., editor, Cenozoic history of the southern Rocky Mountains, Boulder, Colorado , Geological Society of America, 45-74.
62.
Ewel, J.R. and Madriz, A.1968: República de Venezuela, mapa ecológico (1:2000000) . In Zonas de vida de Venezuala. Caracas : Ministerio de Agricultura y Cria, Dirección de Investigación.
63.
Fao1979: Table 1. In 1978 FAO production yearbook, volume 32. Rome: Food and Agriculture Organization of the United Nations, 45-56.
64.
Freitag, H.1971a: Die natürliche Vegetation Afghanistans, Beiträge zur Flora und Vegetation Afghanistans I. Vegetatio22, 285-344.
65.
1971b: Die natürliche Vegetation des südost-spanischen Trockengebiete . Botanishe Jahrbucher91, 147-308.
66.
Gupta, R.K. and Nanda, P.C.1970: Grassland types and their succession in the western Himalaya . In Proceedings of the XI International Grassland Congress, 10-13.
67.
Haffer, J.1974: Avian speciation in tropical South America with a systematic survey of the toucans (Ramphastidae) and jacamars (Galbulidae) . Cambridge, Massachusetts: Publications of the Nutthall Ornithological Club, Number 14. (390 pp.).
68.
Hannibal, L.W.1952: The vegetation map of Indonesia (1:2 500 000). Djakarta: Planning Department of the Forest Service .
69.
Hartley, W.1950: The global distribution of tribes of the Gramineae in relation to historical and environmental factors. AustralianJournal of Agricultural Research1, 355-73.
70.
1958a: Studies on the origin, evolution and distribution of the Gramineae. 1 The tribe Andropogonaceae. Australian Journal of Botany6, 116-28.
71.
1958b: Studies on the origin, evolution and distribution of the Gramineae. 2 The Paniceae. Australian Journal of Botany6, 343-58.
72.
1961: Studies on the origin, evolution and distribution of the Gramineae. 4 The genus Poa. Australian Journal of Botany9, 152-61.
73.
Hartley, W. and Williams, R.J.1956: Centres of distribution of cultivated pasture grasses and their significance for plant introduction. In Proceedings of the VII International Grassland Congress, 190-201.
74.
Heady, H.F.1960: East Africa grasslands and potential grassland types, 1/3 000 000. London: Directorate of Overseas Surveys.
75.
Henty, E.E.1969: Manual of the grasses of New Guinea. Botany Bulletin Number 1.
76.
Holdridge, L.R.1959: Mapa ecológico de Costa Rica; mapa ecológico de Gautemala; mapa ecológico de Panamá (all 1:1 000 000). In Hunter, J.R., editor, Limites climáticos del cacao, café y hule, Turrialba, Costa Rica: Instituto Interamericano de Ciencia Agricolas (IICA).
77.
Holmes, C.H.1956: The broad pattern of climate and vegetational distribution in Ceylon. In Proceedings of the Kandy Symposium, Kandy, Ceylon. Paris: UNESCO, 93-113.
78.
Horvat, I., Glavac, V. and Ellenberg, H.1974: Vegetation südosteuropas. Stuttgart : G. Fischer. (768 pp.).
79.
Huber, O.1980: Breve reseña floristica y fitofisionomica de la vegetaciòn de sabana en la region de Puerto Ayacucho, Territorio Federal Amazonas . Caracas: Report to the Ministry of Agriculture and Natural Renewable Resources. (20 pp. mimeo.).
80.
Hueck, K.1966: Die Wälder sudamerikas. Stuttgart : G. Fischer. (422 pp.).
81.
Hyder, D.N.1974: Morphogenesis and management of perennial grasses in the United States. USDA Miscellaneous Publications 1271, 89-98.
82.
Janis, C.1976: The evolutionary strategy of the Equidae and the origins of rumen and cecal digestion. Evolution30, 757-74.
83.
Jimenez, E.G. and Escobar, A.1980: Flood adaptation and productivity of savanna grasses . In Proceedings of the XIII International Grassland Congress , Leipzig, volume 1, 511-14.
84.
Johnston, A. and Hussain, E.1963: Grass cover types of West Pakistan. Pakistan Journal of Forestry13, 239-47.
85.
Kalliola, R.1973: Suomen kasvimaantiede. Provoo : Söderström. (308 pp.).
86.
Kawanabe, S.1968: Temperature response and systematics of the Gramineae . Proceedings of the Japan Society of Plant Taxonomy2, 17-20.
87.
Keller, B.A.1927: Distribution of vegetation on the plains of European Russia . Journal of Ecology15, 13-233.
88.
Khan, M.S.1977: Flora of Bangladesh. Dacca: Bangladesh Agricultural Research Council, Publication number 4, 4-11.
89.
Knapp, R.1971: Einführung in die Pflanzensoziologie, third edition . Stuttgart: Ulmer. (388 pp.).
90.
1979 a: Climate and soils of grassland areas of Europe. In Numata, M., editor, Ecology of grasslands and bamboolands in the world, The Hague: Dr W. Junk bv publisher, 49-56.
91.
1979 b: Distribution of grasses and grasslands in Europe. In Numata, M., editor, Ecology of grasslands and bamboolands in the world, The Hague: Dr W. Junk bv Publisher, 111-23.
92.
Knapp, R. and Ackermann, H.1952: Die natürliche Vegetation an den nördliche. Bergstraße SchreibnisseR Naturschutz Darmstadt1, 1-43.
93.
Koechlin, J.1961: La végétation des savanes dans le sud de la République du congo-Brazzaville, 1/100 000. Paris: ORMSTRON.
94.
Krause, E.H.L.1893: Beitrag zur Geschichte der Wiesenflora in Norddeutschland . Botanishe Jahrbucher15, 387-400.
95.
Küchler, A.W. 1964: Potential natural vegetation of the conterminous United States. American Geographical Society Special Publication 36. (Manual 115 pp.).
96.
Laetsch, W.M.1974: The C4 syndrome: a structural analysis . Annual Review of Plant Physiology25, 27-56.
97.
Lansbury, T.J., Innes, R.R. and Mabey, G.L.1965: Studies on Ghana grasslands: yield and composition on the Accra Plains. Tropical Agriculture ( Trinidad) 42, 1-18.
98.
Lauenroth, W.K.1979: Grassland primary production: North American grasslands in perspective. In French, N.R., editor, Perspectives in grassland ecology, New York : Springer-Verlag, 3-21.
99.
Lavrenko, K. and Sochava, V.B. editors, 1956: Descriptio vegetationis USSR, ad 'USSR Tabulam Geobotanicum', TI:4 000000, annotationes, volumes I, II. Leningrad: Mosqua. (971 pp.).
100.
Leopold, A.S.1950: Vegetation zones of Mexico. Ecology31, 507-18.
101.
Levin, D.A.1971: Plant phenolics: an ecological perspective. American Naturalist105, 157-81.
102.
Levy, E.B.1955: Grasslands of New Zealand. Wellington, Australia : Government Printer. (322 pp.).
103.
Lloyd, P.S., Grime, J.P. and Rorison, I.H.1971: The grassland vegetation of the Sheffield region . Journal of Ecology59, 863-86.
104.
Marković, L.1973: Die Flutrasengesellschaften in d. Umgebung von Zagreb . Veröffentlichugen Geobotawishen Instituts Rübel Zürich51, 198-205.
105.
McMillan, C.1959: The role of ecotypic variation in the distribution of the central grassland of North America. Ecological Monographs29, 285-307.
106.
McNaughton, S.J.1979a: Grassland-herbivore dynamics. In Sinclair, A.R.E. and Norton-Griffiths, M., editors, Serengeti, dynamics of an ecosystem, Chicago: University of Chicago Press, 46-81.
107.
1979b: Grazing as an optimization process: Grass-ungulate relationships in the Serengeti. American Naturalist113, 691-703.
108.
Michelmore, A.P.G.1939: Observations on tropical African grasslands. Journal of Ecology27, 282-312.
109.
Minson, D.J.1971: Influence of lignin and silicon on a summative system for assessing the organic matter digestibility of Panicum. AustralianJournal of Agricultural Research22, 589-98.
110.
Molinari, O.G.1952: Pasture and forage grass species and their ecology in the Caribbean area. Paper presented at VI International Grassland Congress. (18 pp. mimeo.).
111.
Moore, R.M.1970: Australian grassland. In Moore, R.M., editor, Australian grasslands, Canberra: ANU Press, 87-100.
112.
Moore, R.M. and Perry, R.A.1970: Vegetation. In Moore, R.M., editor, Australian grasslands, Canberra: ANU Press, 57-73.
113.
Mueller-Dombois, D. and Perera, M.1971: Ecological differentiation and soil fungal distribution in the montane grasslands of Ceylon. Ceylon Journal of Science (Biological Science)9, 1-41.
114.
Numata, M.1979a: Introduction. In Numata, M., editor, Ecology of grasslands and bamboolands in the world, The Hague: Dr W. Junk bv Publisher, 11-13. 1979b: Distribution of grasses and grasslands in Asia. In Numata, M., editor, Ecology of grasslands and bamboolands in the world, The Hague: Dr W. Junk bv Publisher, 92-102.
115.
Ode, D.J. and Tieszen, L.1980: The seasonal contribution of C3 and C 4 plant species to primary production in a mixed prairie. Ecology61, 1304-11.
116.
Ogilvie, C.S.1954: The behaviour of seladang (Bibos gaurus). Malayan Nature Journal9, 1-10.
117.
Orr, D.M.1975: A review of Astrebla (Mitchell grass) pastures in Australia . Tropical Grasslands9, 21-36.
118.
Parodi, L.R.1947: La Estepa Pampeana, in Vegetación de la Argentina, Geografia de la Rep. Argentina. Sociedad Argentian de Estudios Geograficos GAEA (Buenos Aires) 8, 143-207.
119.
Pemadasa, M.A. and Mueller-Dombois, D.1979: An ordination study of montane grasslands of Sri Lanka. Journal of Ecology67, 1009-23.
120.
Perkins, D.F.1978: Snowdonia grassland: introduction, vegetation and climate . In Heal, O.W. and Perkins, D.F., editors, Production ecology of British Moors and montane grasslands, Berlin, Heidelberg, New York: Springer-Verlag , 289-96.
121.
Perry, R.A.1960: Pasture lands of the northern territory, 1/2000000. Canberra: CSIRO.
122.
Perry, R.A. and Christian, C.S.1954: Vegetation of the Barkly region. CSIRO Australia, Land Research Series 3, 78-112.
123.
Perry, R.A. and Lizarides, M.1962: Vegetation of the Alice Springs area. CSIRO Australia, Land Research Series 6, 208-36.
124.
Pignatti, S.1966: La vegetazione alofila della Laguna Veneta. Memoire 1st Veneto Science, Letters, and Arts33, 1-174.
125.
Prescott, J.A.1931: The soils of Australia in relation to vegetation and climate . Australia: Council of Scientific and Industrial Research , Bulletin number 52.
126.
Prończuk, J.1976: Grassland coenoses in Poland, their character, productivity and ecological importance. PolishEcological Studies2(2), 7-15.
127.
Ramia, M.1967: Tipos de sabanas en los llanos de Venezuela. Boletin de la Sociedad Venezolana Ciencias Naturales27, 264-88.
128.
1974: Estudio ecológico del módulo experimental del Mantecal (Alto Apwze). Boletin de la Sociedad Venezolana Ciencias Naturales128-29, 117-42.
129.
1978: Observaciones fenologicas en las sabanas del alto Apure . Boletin de la Sociedad Venezolana de Ciencias Naturales33, 149-98.
130.
Rattray, J.M.1960: The grass cover of Africa. FAO Agricultural Studies no. 49, Rome: FAO, 1-168.
131.
Raven, P.H. and Axelrod, D.I.1972: Plate tectonics and Australasian paleobiogeography . Science176, 1379-86.
132.
1974: Angiosperm biogeography and past continental movements . Annals of the Missouri Botanical Gardens61, 539-673.
133.
Reese, J.C.1979: Interactions of allelochemicals with nutrients in herbivore food. In Rosenthal, G.A. and Janzen, D.H., editors, Herbivores: their interaction with secondary plant metabolites, New York: Academic Press, 309-29.
134.
Richmond, G.M.1965: Glaciation of the Rocky Mountains. In Wright, H.E. Jr, and Frey, D.G., editors, The Quaternary of the United States, Princeton, New Jersey: Princeton University Press, 217-30.
135.
Risser, P.G., Birney, E.C., Blocker, H.D., May, S.W., Parton, W.J. and Weins, J.A.1981: The true prairie ecosystem. Stroudsburg, Pennsylvania: Hutchinson Ross. (557 pp.).
136.
Robbins, R.G.1961: The vegetation of New Guinea. Australian Territories1, 21-34.
137.
Rodin, L.E. and Bazilevich, N.I.1967: Production and mineral cycling in terrestrial vegetation. (English translation by Fogg, G.E.)Edinburgh and London: Oliver and Boyd.
138.
Rose, I.1956: The Gold Coast grassland associations, 1/1500000 . Accra: Gold Coast Department of Soil and Land Use Surveys .
139.
Rosengurtt, B.1944: Estudios sobre praderas naturales de Uruguay. 4a Las formaciones campestreys y herbáceas del Uruguay. Agros134, 1-45.
140.
Runge, F.1972: Dauerguadrat beobachtungen bei Salzwiesen-Assoziationen . Berliner Internationaler Symposium Verhandlungen Vegetation1970, 419-25.
141.
Rzedowski, J.1975: An ecological and phytogeographical analysis of the grasslands of Mexico. Taxon24, 67-80.
142.
Sala, O.E., Lauenroth, W.K. and Reid, C.P.P.1982: Water relations: a new dimension for niche separation between Bouteloua gracilis and Agropyron smithii in North American semi-arid grassland. Journal of Applied Ecology19, 647-57.
143.
Sarmiento, G. and Monasterio, M.1975: A critical consideration of the environmental conditions associated with the occurrence of savanna ecosystem in tropical America. In Golley, F.B. and Medina, E., editors, Tropical ecological systems, Berlin, New York: Springer-Verlag , 223-50.
144.
Schmid, M.1958. Flora agrostologique de l'Indochine. L'Agronomie Tropicale13,1-703.
145.
Scholz, H.1975: Grassland evolution in Europe. Taxon24, 81-90.
146.
Seavoy, R.1975: The origin of tropical grasslands in Kalimantan, Indonesia. Journal of TropicalGeography40, 48-52.
147.
Shantz, H.L. and Marbut, C.F.1923: Vegetation and soils of Africa. New York: AMS Press. (263 pp.).
148.
Shaw, N.H. and Norman, M.J.T.1970: Tropical and subtropical woodlands and grasses . In Moore, R.M., editor, Australian grasslands, Canberra: ANU Press , 112-22.
149.
Shimwell, D.W.1969: The status of the Class Elyno-Seslerietea in the British Isles. Mitteilungen Florist-Soziologischen Arbeits-Gemeinschaft14, 309-21.
150.
Shotwell, J.A.1961: Late tertiary biogeography of horses in the northern Great Basin. Journal of Paleontology35, 203-17.
151.
Sims, P.L., Singh, J.S. and Lauenroth, W.K.1978: The structure and function of ten western North American grasslands. I Abiotic and vegetational characteristics. Journal of Ecology66, 251-85.
152.
Singh, J.S.1976: Structure and function of tropical grassland vegetation of India. PolishEcological Studies2(2), 17-34.
153.
Singh, J.S. and Gupta, S.R.1982: Tropical and subtropical grasslands. In Coupland, R.T., editor, Natural grasslands , Amsterdam: Elsevier (in press).
154.
Singh, J.S. and Joshi, M.C.1979a: Primary production. In Coupland, R.T., editor, Grassland ecosystems of the world. Analysis of grasslands and their uses, Cambridge: Cambridge University Press, 197-218.
155.
1979 b: Ecology of the semiarid regions of India with emphasis on land use. In Walker, B.H., editor, Management of semiarid ecosystems, Amsterdam, Oxford, New York: Elsevier, 243-75.
156.
Singh, J.S. and Krishnamurthy, L.1981: Analysis of structure and function of tropical grassland vegetation of India. Indian Review ofLife Science1, 225-70.
157.
Singh, J.S. and Saxena, A.K.1980: The grass cover in the Himalayan region. In Proceedings of the National Seminar on Resources, Development and Environment in the Himalayan Region, New Delhi, 164-203.
158.
Siragusa, A.1964: Geomorfologia de la Provincia de Buenos Aires. Sociedad Argentina de Estudios Geographicos GAEA ( Buenos Aires) 8, 143-207.
159.
Sjörs, H.1967: Nordisk växtgeografi, second edition. Stockholm. (240 pp.).
160.
Smitinand, T.1966: The vegetation of Doi Chiengdao, a limestone massive in Chiengmai, North Thailand. Natural History Bulletin, Siam Society (Bangkok) 21,94.
161.
Snaydon, R.W. and Davies, M.S.1972: Rapid population differentiation in a mosaic environment. II Morphological variation in Anthoxanthum odoratum. Evolution26, 390-405.
162.
Sochava, V.1979: Distribution of grasslands in the USSR. In Numata, M., editor, Ecology of grasslands and bamboolands in the world, The Hague: Dr W. Junk bv Publisher, 103-10.
163.
Soriano, A.1979: Distribution of grasses and grasslands of South America . In Numata, M., editor, Ecology of grasslands and bamboolands in the world, The Hague: Dr W. Junk bv Publisher, 84-91.
164.
Sotchava, V.1964: Vegetation. In Physical geographic atlas of the world, Moscow: USSR Academy of Sciences.
165.
Spaletti, L.A. and Mazzoni, M.M.1978: Sedimentológia del grupo sarmiento en un perfil ubicado al sudeste del Lago Colhue Huapi Provincia de Chubut. Obra Cincuentenario Museo de la Plata (Argentina)4, 261-83.
166.
Specht, R.L.1970: Vegetation. In Leeper, G.W., editor, The Australian environment, Melbourne: CSIRO and Melbourne University Press, 44-67.
167.
Stebbins, G.L.1974: The role of polyploidy in the evolution of North American grasslands. Taxon24, 91-106.
168.
1981: Coevolution of grasses and herbivores. Annals of the Missouri Botanical Gardens68, 75-86.
169.
Tamayo, F.1966: Mapa fitogeogrdfico preliminar de la República de Venezuela (1:2 000 000). Caracas: Escuela de Geografia de la Facultad de Humanidades de la universidad Central de Venezuela .
170.
Teeri, J.A. and Stowe, L.G.1976: Climatic patterns and the distribution of C 4 grasses in North America. Oecologia23, 1-12.
171.
Thomasson, J.R.1979: Late Cenozoic grasses and other angiosperms from Kansas , Nebraska and Colorado. Biostratigraphy and relations to living taxa. Kansas Geological Survey Bulletin218, 1-68.
172.
Tieszen, L.L., Senyimba, M.M., Imbamba, S.K. and Troughton, J.H.1979: The distribution of C3 and C4 grasses and carbon isotope discrimination along an altitudinal and moisture gradient in Kenya. Oecologia37, 337-50.
173.
Tothill, J.C. and Hacker, J.B.1973: The grasses of southeastQueensland . Brisbane: Old University Press .
174.
Trochain, J.L. and Koechlin, J.1958: Les pâturages naturels du sud de l'Afrique équatoriale francaise, 1/2 220 000. Paris: Institut Études Centrafricaines, Bulletin nos. 15 and 16.
175.
Unesco1973: International classification and mappingof vegetation/classification internationale et cartographie de la végétation, Paris. (93 pp.).
176.
Unesco-Unep-Fao1979: Tropical grazing land ecosystems. A state-of-the-art report prepared by UNESCO/UNEP/FAO, Paris. (655 pp.).
177.
Unstead, J.F. and Taylor, E.G.R. editors, 1947: Australia and New Zealand, natural vegetation. In Philips series of comparative wall atlases , London: George Philip and Son .
178.
Van Steenis, C.G.G.J.1938: Maleische Vegetatieschetsen. Toelichting bij de Plantengeographische kaart van Nederlansch Gost Indië. In Atlas van Tropisch Nederland , Amsterdam: Koninklijk Aardrijkskundig Genootschap, 7a.
179.
Vessey-Fitzgerald, D.F.1963: Central African grasslands. Journal of Ecology51, 243-74.
180.
1970: The origin and distribution of valley grasslands in East Africa. Journal of Ecology58, 51-76.
181.
Vervoorst, F.B.1967: Las comunidades vegetales de la Depresión del Salado (Provincia de Buenos Aires). Instituto Nacional de Technologia Agropecuaria, Instituto de Botánica Agricola, Serie Fitogeográfica no. 7. (259 pp.).
182.
Walter, H.1979: Vegetation of the earth, third edition. New York: Springer-Verlag . (274 pp.).
183.
Wang, C.W.1961: The forests of China, with a survey of grassland and desert vegetation. Maria Moors Cabot Foundation, Publication no. 5. Cambridge, Massachusetts: Harvard University Botanical Museum. (313 pp.).
184.
Watt, A.S.1974: Senescense and rejuvenation in ungrazed chalk grassland (grassland B) in Breckland: the significance of litter and of moles. Journal of Applied Ecology11, 1157-71.
185.
Weber, C.A.1891: Die Zusammenset Zung des natürlichen Graslandes in West Holstein, Dithmarschen und Eiderstedt. Schriften des Naturwissenschaftlichen Vereins Schleswig-Holstein9, 179-217.
186.
Wendlberger, G.1950: Zur Soziologie der unter besonderser Berncksichtigung der kontinentalen Halophytenvegetation Mittelewropas Salzpflanzen-Gesellschaften am Neusiedler Sec. Denkschriften Ostereich Akademischen Wissenschalten Mathematischen und Nautr Dkschritten108, 1-180.
187.
Westhoff, V. and den Held, A.J.1969: Plantengemeenschaapen in Nederland. Zutphen: Thieme. (324 pp.).
188.
Whittaker, R.H.1970: The biochemical ecology of higher plants. In Sondheimer, E. and Simeone, J.B., editors, Chemical ecology, New York: Academic Press, 43-70.
189.
Whyte, R.O.1968: Grasslands of the monsoon. London: Faber and Faber. (325 pp.).
190.
1976: Bioclimatic and taxonomic consequences of tectonic movement and orogeny. Annals of Arid Zone15, 247-69.
191.
1977 : Analysis and ecological management of tropical grazing lands . In Krause, W., editor, Applications of vegetation science to grassland husbandry, The Hague: Dr W. Junk bv Publisher, 1-121.
192.
Williams, III, G.J.1974: Photosynthetic adaptation to temperature in C 3 and C4 grasses. A possible ecological role in the shortgrass prairie . Plant Physiology54, 709-11.
193.
Williams, III, G.J. and Markley, J.L.1973: The photosynthetic pathway type of North American shortgrass prairie species and some ecological implications. Photosynthetica7, 262-70.
194.
Williams, R.J.1955: Vegetation regions. In Atlas of Australia , Canberra: Commonwealth Department of Development.
195.
1959 : Vegetation map of Australia (1:17 000 000). In Wood, J.G. and Williams, R.J., editors, The Australian environment, Melbourne: CSIRO.
196.
Yadava, P.S. and Singh, J.S.1977: Grassland vegetation: its structure, function, utilization and management. New Delhi: Today and Tomorrow's Printers and Publishers. (132 pp.).
197.
Zeidler, H.1970: Ackerunkraut u. Grünlandgesellschaffen in Auen . Bayerisches Landwirtschaftliches Jahrbuch4, 12-28.