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Page, A.C., & D.M. Smith.
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growth of pruned white pines. Yale Sch. For. & Env. Studies Bull.
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Ashton, P.M.S. & G.P.
Berlyn. 1994.
A comparison of leaf
physiology and anatomy of Quercus (section
Erythrobalanus) species in different light environments.
American Journal of Botany 81:589-597.
Kittredge, D.B., & P.M.S.Ashton. 1995. Impacts of deer browse on regeneration in mixed-species stands in southern New England. Northern Jour. of Applied Forestry 12: 115-120.
Ashton, P.M.S. & B.C. Larson. 1996. Germination and seedling growth of Quercus (section Erythrobalanus) across openings in a mixed-deciduous forest of southern New England, USA. Forest Ecology and Management 80: 81-94.
Ducey, M.J., Moser, W.K. & P.M.S. Ashton. 1996. Effect of fire intensity on understory composition and diversity in a laurel-dominated oak forest. Vegetatio 123: 81-90.
Li, W-L., Berlyn, G.P., & P.M.S. Ashton. 1996. Polyploids and their adaptation to water deficits in Betula papyrifera (Marsh). American Journal of Botany 83:15-21.
Moser, W.K., Ducey, M.J., &
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fire intensity on competitive dynamics between red and black oaks and
mountain laurel. Northern Journal of Applied Forestry . 13:
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Ashton, P.M.S., Harris, P.G.,
& R. Thadani. 1998. Soil seed
bank dynamics in relation to topographic position of a second-growth
deciduous forest in southern New England, USA. Forest Ecology and
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Liptzin, D., & P.M.S.
Ashton. 1999. Early successional stand
dynamics of single-aged mixed hardwood stands in a southern New
England forest, USA. Forest Ecology and Management.116: 141-150.
Ashton, P.M.S., Yoon, K.,
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Development of seedling leaf structure in relation to light environment
of New England maples (Acer). Forest Science 45: 1-8.
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Present
Fladeland, M.M., Ashton, M.S., & X. Lee. 2003. Landscape
variations in understory PAR for a mixed deciduous forest of southern
New England. Journal of Agricultural and Forest Meteorology 118:
137-141.
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United States: Pacific Northwest
Larson, B.C. & C.D. Oliver. 1982. Forest dynamics and fuelwood supply of the Stehekin Valley, Washington. In: Ecological research in the National Parks of the Pacific Northwest. Oregon State University, Forest Research Laboratory Publication, Corvallis, pp. 127-134.
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Guidelines for thinning
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Ashton, P. M. S., & M. J. Ducey. 1997. The development of mixed plantations as successional analogs to natural forests. In "The National Proceedings: Forest and Conservation Nursery Associations 1996" Landis D., & D.B. South (eds.). U.S.D.A. Forest Service, Gen. Tech. Rep. PNW - 389.
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Chapman, H.H. 1926. Factors
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longleaf pine on cut-over lands in LaSalle Parish, Louisiana. Yale
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dissertation, Yale University, New Haven, CT.
Dingle, R.W. 1953. Soil conditions and
growth of planted Pinus
echinata Mill. in Missouri. Ph.D. dissertation, Yale University,
New Haven, CT.
Mergen, F. 1954. Rooting and
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of slash pine (Pinus
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dissertation, Yale University, New Haven, CT.
Doolittle, W.T. 1955. Site index of
scarlet and black oak in
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dissertation, Yale University, New Haven, CT.
Bengtson, G.W. 1961. Mineral
nurient
relationships in young slash
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allocation in branches of loblolly pine (Pinus taeda L.).
Ph.D. dissertation, Yale University, New Haven, CT.
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Haig, I.T. 1935. Factors
controlling
initial establishment in
western white pine. Ph.D. dissertation, Yale University, New Haven,
CT.
Haig, I.T. 1936. Factors controlling initial establishment of western white pine and associated species. Yale Sch. For. Bull. 41.
Moulds, F.R. 1951. The ecology and silviculture of Pinus radiata (Con.) in California and in southern Australia. Ph.D. dissertation, Yale University, New Haven, CT.
Smith, J.H.G. 1954. Some factors affecting reproduction of Engelmann spruce (Picea engelmanii Parry) and alpine fir (Abies lasiocarpa (Hook) Nutt.,. Ph.D. dissertation, Yale University, New Haven, CT.
Myers, C.A. 1959. Vertical distribution of annual increment in thinned ponderosa pine. Ph.D. dissertation, Yale University, New Haven, CT.
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juvenile
growth of five western
conifers. Ph.D. dissertation, Yale University, New Haven, CT.
Berlyn, G.P. 1967. The structure of germination in Pinus lambertiana Dougl. Yale Sch. For. Bull. 71.
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Bormann, F.H. & G.P. Berlyn.
(eds.)
1981. Determination of age
and growth rate in tropical trees: New directions for research. Yale
Sch. For. Bull. 94.
Castilleja, G. 1991. Seed
germination
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sub-tropical dry forest. Ph.D. dissertation, Yale University, New
Haven, CT.
Ashton, P.M.S. 1992.
Establishment and
early growth of advance
regeneration of canopy trees in moist mixed-species broadleaf forest.
In: "The Ecology and Silviculture of Mixed-Species
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Strauss-Debenedetti, S. G.P.
Berlyn.
1994. Leaf anatomical
responses to light in five tropical Moraceae of different
successional status. American Journal of Botany. 81:
1582-1591.
Samarasingha, J.N., Ashton,
P.M.S., Gunatilleke, I.A.U.N., &
C.V.S. Gunatilleke. 1996. Thinning guidelines for tree species of
different successional status. Journal of Tropical Forest
Science 10:
348-356.
Ashton, P.M.S., Gamage, S., Gunatlleke, I.A.U.N., & C.V.S. Gunatilleke. 1998. Using Caribbean pine to establish mixed plantations: Testing effects of pine canopy removal on plantings of rain forest tree species. Forest Ecology and Management 106: 211-222.
Back to the top
Africa
Chin, S.C. 1984. Agriculture and
subsistence in a lowland rain
forest Kenyan community. Ph.D. dissertation, Yale University, New
Haven, CT.
Hall, J.S., Ashton, M.S., and
G.P. Berlyn. 2002. Seedling performance
of sympatric Entandrophragma species (Meliaceae) under varied fertility
and moisture regimes in a Central African rain forest. Journal of
Tropical Ecology 18: 235-244.
Hall, J.S., Harris, D.J.,
Medjibe, V., and P.M.S. Ashton. 2003. The
effects of selective logging on forest structure and tree species
composition in a Central African forest: implications for management of
conservation areas. Forest Ecology and Management 183: 249-264.
Hall, J.S., Medjibe, V., Berlyn, G.P., & P.M.S. Ashton. 2003.
Seedling growth of three co-occurring Entandrophragma species
(Meliaceae) under simulated light environments: implications for forest
management in Central Africa. Forest Ecology and Management 179:
135-144.
Hall, J.S., McKenna, J.J., Ashton, P.M.S., & T.G. Gregoire. 2004. Habitat characterizations underestimate the role of edaphic factors controlling the distribution of Entandrophragma. Ecology: 85: 2171-2183.
NASA
Remote Sensing Study on Landuse
Thenkabail, P.S., Enclona, E.A., Ashton, M.S., & Van Der
Meer, V.
2005. Accuracy Assessments of Hyperspectral Waveband Performance for
Vegetation Analysis Applications. Remote Sensing of Environment 91:
1112-123.
Thenkabail, P.S., Stucky, N., Griscom, B.W., Ashton, M.S., Diels, J., Van Der Meer, B., & E. Enclona. 2004. Biomass estimations and carbon stock calculations in the oil palm plantations of African derived savannas using IKONOS data. International Journal of Remote Sensing 25: 5447-5472.
Thenkabail, P.S., Enclona, E.A.,
Ashton, M.S., Legg, C., Jean De Dieu,
M. 2004. Hyperion, IKONOS, ALI, and ETM+ sensors in the study of
African rainforests. Remote Sensing of Environment 90: 23-40.
Thenkabail, P.S., Hall, J., Lin,
T., Ashton, M.S., Harris, D. &
E.A. Enclona. 2003. Detecting floristic structure and pattern across
topographic and moisture gradients in a mixed species Central African
forest using IKONOS and Landsat-7 ETM+ images. International Journal of
Applied Earth Observation and Geoinformation 4: 255-270.
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Asia
Larson, B.C. & M.N. Zaman. 1985.
Spacing and thinning
guidelines for teak (Tectona grandis L.) in Bangladesh.
Malaysian Forester 48: 288-297.
Ashton, P.M.S. 1990. A method for the
evaluation of advanced
regeneration for forest types of south and southeast Asia. Forest
Ecology and Management 36:163-175.
Ashton, P.M.S. & P.S. Ashton. 1993
. Plant resources for
agroforestry systems in tropical Asia. In : "Agroforestry in
South Asia: Problems and Applied Research Perspectives". Khosla,
P.K., Bentley W.D., & K. Seckler (Eds.). pp. 125-150, Oxford
University Press/IBH, New Delhi, India.
Appanah, S. & P.M.S. Ashton (eds.).
1994. Methodological
protocol for strategic silvicultural research in mixed evergreen
tropical forests. Recommendations of a workshop sponsored by the
Forest Research Institute Malaysia and the Center for Tropical Forest
Science of the Smithsonian Institution, Kuala Lumpur, August 2-5,
1992.
Ashton, P.M.S., & D. L. Grebner.
1994. The past, present, and
future methods of regeneration for forests of south and southeast
Asia. In: "Forests and Wood-based Biomass Energy as Rural Development
Assets". Bentley, W. & M. Gowen (eds.). pp. 235-246. Oxford
University Press/IBH, New Delhi, India.
Thadani, R., & P.M.S. Ashton. 1995.
Regeneration of banj oak
(Quercus leucotricophora A. Camus) in the central
Himalaya. Forest Ecology and Management 78: 217-224.
Ashton, P.M.S. 1997. The seedling
ecology of mixed-dipterocarp
forest: past, present and future research directions. In: "An
Overview of the State of Knowledge on Dipterocarps and Identification
of Priorities and Needs for Future Research". Appanah, S. & C.
Cossalter (eds.). Center for International Forestry Research, Bogor,
Indonesia.
Ashton, M.S. , & C. Peters. 1999. Even-aged silviculture in mixed moist tropical forests with special reference to Asia: Lessons learned and myths perpetuated. Journal of Forestry 97: 14-19.
Ashton, M.S. 2003. The
silviculture of dipterocarp forests in the Asian wet tropics. Forestry
Chronicle 79: 263-267.
Palmiotto, P.A., Davies, S.A.,
K. A. Vogt, P. M. S. Ashton, D.J.
Vogt & P. S. Ashton. 2004. Soil related habitat specialization in
dipterocarp raoin forest tree species in Borneo. Journal of Ecology 92:
609-623.
Palmiotto, P.A., Vogt, K.A., Ashton, P.M.S., Ashton, P.S., Vogt, D.J.,
Semui, H., & L.H. Seng. 2004 . Linking canopy gaps, topography and
soils in a tropical rain forest: Implications for species
diversity.
In "Forest diversity and dynamism: Results from the global network of
large-scale demographic plots" Losos, E., & R. Leigh (Eds.).
University of Chicago Press, Chicago, pp 101-125.
Quazi, S.A., Ashton, M.S., & R. Thadani. 2004. Regeneration of monodominant stands of banj oak (Quercus leuchotrichophora A. Camus) on abandoned terraces in the Central Himalayas. Journal of Sustainable Forestry 17: 75-90.
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Caribbean
Hussain, M.Z. 1987. Growth studies of
plantations of Pinus
caribaea var Hondurensis in Puerto Rico. Ph.D. dissertation, Yale
University, New Haven, CT.
Parrotta, J.A. 1987. The influence of
density in the stand
development, biomass partitioning and nutrient allocation in
Albizia lebbek L. (Benth.) plantations in Puerto Rico. Ph.D.
dissertation, Yale University, New Haven, CT.
Ashton, P.M.S., Lowe, J.S., & B.C.
Larson. 1990. Thinning
guidelines for blue mahoe (Hibiscus elatus L.). Jour. of
Tropical Forest Science
Ashton, P.M.S., Lowe, J.S., & B.C.
Larson. 1991. Epicormic
branching of blue mahoe (Hibiscus elatus L.). Jour. of
Tropical Forest Science
Devoe, N.N. 1992. Regeneration from
seed under a range of canopy
conditions in tropical wet forest, Puerto Rico. In: "The
Ecology and Silviculture of Mixed-Species Forests" Kelty, M.D.,
Larson B.C., & C.D. Oliver (Eds). pp. 81-100. Kluwer Academic
Publ., Dordrecht, The Netherlands.
Anoruo, A.O. & G.P. Berlyn, 1993.
Caribbean pine in
sustainable tropical forestry: Distribution, taxonomy, ecology,
biotechnology and silvics. Journal of Sustainable Forestry 1:
1-24.
Anoruo, A.O. & G.P. Berlyn, 1993.
Effect of rate of growth and
development on needle photosynthate and phloem transport in Caribbean
pine (Pinus caribaea Mor.). Journal of Sustainable
Forestry 1: 1: 25-47. 2 (1): 37-47. 3 (2):21-32.
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Budowski, G. 1962.
Studies in forest
succession in Costa Rica and
Panama. Ph.D. dissertation, Yale University, New Haven, CT.
Rodriguez-Franco, C. 1987. Development
of a competition index for
Pinus montezumae Lamb. in a temperate forest of Mexico. Ph.D.
dissertation, Yale University, New Haven, CT.
Fierros-Gonzalez, A. 1989. Site
quality, growth, and yield, and
growing space occupancy by plantations of Pinus caribaea var.
Hondorensis in Oaxaca, Mexico. Ph.D. dissertation, Yale University,
New Haven, CT.
Peters, C.M. 1989. Reproduction, growth
and the population
dynamics of Brosium alicastrum Sw. in a moist tropical forest
of central Veracruz, Mexico. Ph.D. dissertation, Yale University, New
Haven, CT.
Snook, L.A. 1993. Stand dynamics of
mahogany (Swietenia
macrophylla) and associated species after fire and hurricane in
tropical forests of the Yucatan peninsula, Mexico. Ph.D.
dissertation, Yale University, New Haven, CT.
Guariguata, M. 1994. Mechanical damage
and interspecific patterns
of vegetative regrowth of tree saplings in a Panamian forest. Ph.D.
dissertation, Yale University, New Haven, CT.
Asbjornsen, H.A., & M.S. Ashton (Editors). 2001 . Balancing conservation with development: A comparison of two forest communities in Oaxaca, Mexico. Journal of Sustainable Forestry, Special Issue 15: 1-131.
Clark, T.W., Ashton, M.S. and J. Tuxill (Editors). 2002. Conservation or development? The case of the Amisconde project, La Amistad Biosphere Reserve, Costa Rica. Journal of Sustainable Forestry, Special Issue 16: 1-211.
Asbjornsen, H.A., Ashton, M.S.,
& D.J. Vogt. 2004. Effects
of habitat fragmentation on the buffering capacityof edge environments
in a seasonally dry tropical forest ecosystem in Oxaca, Mexico.
Agricultural Ecosystems 103: 481-495.
Asbjornsen, H.A., Ashton, M.S., & K.V. Vogt. 2004. Synergistic
response of oak, pine and shrub seedlings to edge environments and
drought in a fragmented tropical oak forest, Oaxaca, Mexico. Forest
Ecology and Management 192: 313-334.
Griscom, H.P., Ashton, M.S.,
& G.P. Berlyn. 2005. Seedling
survival and growth of native tree species in pastures:
implications
for dry tropical forest rehabilitation in central Panama. Forest
Ecology and Management 206:45-56.
Clark, T.W., Dixon, L., Ashton, M.S., and B. Petit (Editors). 2006. Innovation and appraisal of sustainability efforts in La Amistad, Bocas del Toro, Panama and Talamanca, Costa Rica. Journal of Sustainable Forestry, Special Issue 23: 1-232.
Griscom, H.P., Kalko, E., &
M.S. Ashton. ----- . Seed
dispersers within a deforested, dry tropical region; Azuero Peninsula,
Panama. Biotropica (in press).
Wishnie, M.H., Mariscal, E., Deago, J., Cedeño, N., Ibarra, D., Condit, R., Ashton, P.M.S., and D.H. Dent. ---- . Performance of 24 tropical tree species in relation to reforestation strategies in Panama. Forest Ecology and Management (in press).
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Nepstad,
D.C. 1989. Forest regrowth in
abandoned pastures of
eastern Amazonia: Limitations to tree seedling survival and growth.
Ph.D. dissertation, Yale University, New Haven, CT.
Troy, A.R., Ashton, P.M.S., & B.C.
Larson. 1997. Patterns in
spatial distribution and abundance of a neotropical liana,
Desmoncus polyacanthos, in relation to forest structure in the
Brazilian Amazon. Economic Botany. 00:000-000.
Flores, C. F., & P.M.S.
Ashton. 2000 . Harvesting impact and
economic value of Geonoma deversa (Poiteau) Kunth, an understory palm
used for roof thatching in the Peruvian Amazon. Economic Botany
54:
267-277.
Griscom, B.W., & M.S.
Ashton. 2003. Bamboo control of forest
succession: Guadua sarcocarpa Pilger in southeastern Peru. Forest
Ecology and Management 175: 445-454.
Grogan, J., Ashton, M.S., & J. Galvao. 2003. Big-leaf mahogany (Swietenia macrophylla) seedling survival and growth across across a topographic gradient in southeast Para, Brazil. Forest Ecology and Management 186: 311-326.
Clark, T.W., Ashton, M.S.,
Zimmerman, K., and Q. Newcomer
(Editors). 2004 . Conservation and development of the Condor Biosphere
Reserve, Ecuador. Journal of Sustainable Forestry, Special Issue 18:
1-327.
Grogan, J., Landis, R.M., Ashton, M.S., & J. Galvao. 2004. Growth response by big-leaf mahogany (Swietenia macrophylla) advance seedling regeneration to overhead canopy release in southeast Para, Brazil. Forest Ecology and Management 204: 399-412.
Griscom, B., & M.S. Ashton.
---- . A self-perpetuating
bamboo disturbance cycle in lowland terra firme forests of Madre de
Dios, Peru. Journal of Tropical Ecology (in press).
Griscom, B.W., Daly, D., and P.M.S. Ashton. ----. Comparative floristics of lowland terra firme forests with and without dominance by aborescent bamboo (Guadua spp.) in southwestern Amazonia. Bulletin of the Torrey Bot. Club (in press).
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Sri Lanka
1989-1999
2000- Present
1989-1999
Ashton, P.M.S., & N.D. de Zoysa.
1989. Performance of
Shorea trapezifolia (Thw.) seedlings growing in different
light regimes. Jour. of Tropical Forest Science 1 (4):
356-364.
Ashton, P.M.S. 1990. Seedling response
of Shorea species across
moisture and light regimes of a Sri Lankan rain forest. Ph.D.
dissertation, Yale University, New Haven, CT.
Ashton, P.M.S., 1991. A Guide for the
evaluation of Shorea
(section Doona) advanced reproduction in southwest Sri
Lanka. In : Proceedings of the Fourth Round Table Conference
on Dipterocarps. G. Maury-Lechon (Ed.). Bogor, Indonesia, 12-15
December, 1989.
De Zoysa, N.D., & P.M.S. Ashton.
1991. The effect of different
seed conditions, light and soil micro-environments on germination and
survival of Shorea trapezifolia (Thw.) Ashton
(Dipterocarpaceae). Jour. of Tropical Forest Science 3
(4):223-233.
Ashton, P.M.S. 1992 . Some
measurements
of the microclimate within
a Sri Lankan tropical rain forest. Agricultural and Forest
Meteorology 59: 217-235.
Ashton, P.M.S., & G.P. Berlyn. 1992. Leaf adaptations of some Shorea species to sun and shade. New Phytologist 121: 587-596.
Ashton, P.M.S., Gunatilleke, C.V.S., & I.A.U.N. Gunatilleke. 1993. A shelterwood method of regeneration for sustained timber production in Mesua-Shorea forest of southwest Sri Lanka. In : "Ecology and Landscape Management in Sri Lanka " (Eds.) Erdelen, W., Preu, C., Ishwaran, N., & M. Bandara. pp. 255-274. Verlag Josef Margraf Scientific, Hamburg, Germany.Ashton, P.M.S., Gunatilleke,
I.A.U.N.,
& C.V.S. Gunatilleke.
1993. A Case for the development and evaluation of mixed-species
plantations for the wet zone of Sri Lanka. In : "Ecology
and Landscape Management in Sri Lanka" (Eds.) Erdelen, W., Preu,
C., Ishwaran, N., & M. Bandara. pp. 275-288. Verlag Josef Margraf
Scientific, Hamburg, Germany.
Ashton, P.M.S. 1995. Seedling growth of co-occuring Shorea species in the simulated light environments of a rain forest. Forest Ecology and Management 72: 1-12.
Ashton, P.M.S., Gunatilleke,
C.V.S.,
& I.A.U.N. Gunatilleke.
1995. Seedling survival and growth of four Shorea species in a
Sri Lankan rainforest. Journal of Tropical Ecology 11: 263-279.
Cohen, A., Ashton, P.M.S., &
B.M.P.
Singhakumara. 1996.
Releasing rainforest succession: A case study in the Dicranopteris
linearis fernlands of Sri Lanka. Restoration Ecology 3:
261-270.
Gunatilleke, C.V.S., Perera,
G.A.D.,
Ashton, P.M.S., Ashton, P.S.,
& I.A.U.N. Gunatilleke. 1996. Seedling growth of Shorea
section Doona, (Dipterocarpaceae) in soils from
topographically different sites of Sinharaja rain forest in Sri
Lanka. In "Tropical tree seedling ecology". Swaine, M. D.
(ed.). UNESCO, Parthenon Press, Paris. pp. 245-265.
Ashton, P.M.S., Samarasinghe, S.J., Gunatilleke, I.A.U.N., & C.V.S. Gunatilleke. 1997. Role of legumes in release of successionally arrested grasslands in the central hills, Sri Lanka. Restoration Ecology . 5:36-43.
Ashton, P.M.S., Gamage, S.,
Gunatilleke, I.A.U.N., & C.V.S.
Gunatilleke. 1997. Restoration of a Sri Lankan rain forest: Using
Pinus caribaea as a nurse for establishing late seral tree
species. Journal of Applied Ecology 34:915-925.
Gunatilleke, C.V.S.,
Gunatilleke,
I.A.U.N., Perera, G.A.D.,
Burslem, D.F.R.P., Ashton, P.M.S., and P.S. Ashton. 1997. Responses
to nutrient addition among seedlings of eight closely-related species
of Shorea in Sri Lanka. Journal of Ecology 85:310-312.
Gunatilleke, C.V.S., Gunatilleke, I.A.U.N., Ashton, P.M.S., & P.S. Ashton. 1998. Seedling growth of Shorea section Doona (Dipterocarpaceae) across an elevational range in southwestern Sri Lanka. Journal of Tropical Ecology 14: 231-245.
Singhakumara, B.M.P., Uduporuwa,
R.S.J.P., & P.M.S. Ashton.
2000. Soil seed banks in relation to light and topographic position of
a hill dipterocarp forest. Biotropica 32: 190-196.
Ashton, P.M.S., Singhakumara,
B.M.P., Evans, A.E., Gunatilleke
C.V.S., and I.A.U.N. Gunatilleke. 2001. A financial analyis of
rain
forest silviculture in southwestern Sri Lanka. Forest Ecology and
Management 154: 431-444.
Ashton, P.M.S., Gunatilleke, C.V.S., Singhakumara, B.M.P., and I.A.U.N. Gunatilleke. 2001. Restoration pathways for rain forest in southwest Sri Lanka: A review of concepts and models. Forest Ecology and Management 154: 409-430.
Singhakumara, B.M.P.,
Gamage, H.K., & M.S. Ashton. 2003.
Comparative growth of four Syzygium species within simulated shade
environments of a Sri Lankan rain forest. Forest Ecology and Management
174: 511-520.
Ashton, M.S., Gamage, H.K.,
& B.M.P. Singhakumara. 2003.
Leaf structure of Syzygium Spp. (Myrtaceae) in relation to site
affinity within a tropical rain forest. Botanical Journal of the
Linnean Society 141: 365-377.
Gamage, H.G., Singhakumara,
B.M.P., & M.S. Ashton. 2004.
Effects of light and fertilization on arbuscular mycorrhizal (AM)
colonization and growth of tropical rain forest Syzygium tree
seedlings. Journal of Tropical Ecology 20: 525-534.
Gunatilleke, C.V.S.,
Gunatilleke, I.A.U.N., Ethugala, A.U.K.,
Weerasekara, N.S., Ashton, P.S., Ashton, P.M.S., & S.
Wijesundara.
2004 . Community ecology of a spatially explicit rain forest plot in
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