J. C. Ritchie

发表

Climate change and Arctic ecosystems: 1. Vegetation changes north of 55°N between the last glacial maximum, mid‐Holocene, and present

Sandy P. Harrison, Jed O. Kaplan, Wolfgang Cramer, 2003 .

Postglacial Vegetation of Canada

J. C. Ritchie, N. G. Miller, Norton G. Miller, 1988 .

Pollen‐based biomes for Beringia 18,000, 6000 and 0 14C yr bp †

Ge Yu, Sandy P. Harrison, Feng Sheng Hu, 2000 .

Late-Quaternary Vegetation and Climate Near the Arctic Tree Line of Northwestern North America

F. K. Hare, J. C. Ritchie, F. Hare, 1971, Quaternary Research.

Evidence from north-west Canada for an early Holocene Milankovitch thermal maximum

L. Cwynar, J. C. Ritchie, R. Spear, 1983, Nature.

Modern pollen assemblages near the arctic tree line, Mackenzie Delta region, Northwest Territories

J. C. Ritchie, 1974 .

Recent pollen assemblages from the Western Interior of Canada

J. C. Ritchie, S. Lichti-federovich, S. Lichti-Federovich, 1968 .

6 – THE LATE QUATERNARY VEGETATION OF THE NORTH YUKON

L. Cwynar, J. C. Ritchie, 1982 .

Holocene palaeoecology of the eastern Sahara; Selima Oasis

C. Haynes, J. C. Ritchie, C. Eyles, 1989 .

THE VEGETATION OF NORTHERN MANITOBA: I. STUDIES IN THE SOUTHERN SPRUCE FOREST ZONE

J. C. Ritchie, 1956 .

Modern diatom assemblages from lake sediments in the boreal–arctic transition region near the Mackenzie Delta, N.W.T., Canada

J. C. Ritchie, L. Koivo, 1978 .

The Modern and Late Quaternary Vegetation of the Campbell‐Dolomite Uplands, near Inuvik, N.W.T., Canada

J. C. Ritchie, 1977 .

Modern pollen spectra from lakes in arctic western Canada

K. Gajewski, J. C. Ritchie, K. A. Hadden, 1987 .

THE LATE-QUATERNARY HISTORY OF THE BOREAL FOREST OF CENTRAL CANADA, BASED ON STANDARD POLLEN STRATIGRAPHY AND PRINCIPAL COMPONENTS ANALYSIS

G. A. Yarranton, J. C. Ritchie, 1978 .

Holocene vegetation history at the boreal-forest: shrub-tundra transition in north-western Québec

K. Gajewski, S. Payette, J. C. Ritchie, 1993 .

Postglacial Vegetation of Canada

J. C. Ritchie, N. G. Miller, 1988 .

Holocene vegetation history of Banks Island, Northwest Territories, Canada.

K. Gajewski, R. Mott, J. C. Ritchie, 2000 .

Holocene pollen spectra from Oyo, northwestern Sudan: problems of interpretation in a hyperarid environment

J. C. Ritchie, 1994 .

THE VEGETATION OF NORTHERN MANITOBA: IV. THE CARIBOU LAKE REGION

J. C. Ritchie, 1960 .

Late-Quaternary Climatic and Vegetational Change in the Lower Mackenzie Basin, Northwest Canada

J. C. Ritchie, 1985 .

Modern pollen spectra from dakhleh oasis, western egyptian desert

J. C. Ritchie, 1986 .

Arctic Steppe-Tundra: A Yukon Perspective

L. Cwynar, J. C. Ritchie, 1980, Science.

Pollen dispersal phenomena in arctic-subarctic Canada

J. C. Ritchie, S. Lichti-federovich, 1967 .

Quaternary Environments in Canada as Documented by Paleobotanical Case Histories

P. Richard, R. Mott, R. Mathewes, 1989 .

Current trends in studies of long-term plant community dynamics.

J. C. Ritchie, 1995, The New phytologist.

The vegetation of northern Manitoba. VI. The Lower Hayes River region.

J. C. Ritchie, 1960 .

The late-Quaternary vegetational history of the Western Interior of Canada

J. C. Ritchie, 1976 .

Biome reconstruction from pollen and plant macrofossil data for Africa and the Arabian peninsula at 0 and 6000 years

I. Prentice, A. Lézine, J. Guiot, 1998 .

Postglacial Diatom Stratigraphy in Relation to the Recession of Glacial Lake Agassiz

J. C. Ritchie, L. Koivo, 1975, Quaternary Research.

Modern pollen spectra from the western interior of Canada and the interpretation of late quaternary vegetation development

G. MacDonald, J. C. Ritchie, 1986 .

Holocene pollen assemblages from the Tiger Hills, Manitoba

J. C. Ritchie, S. Lichti-federovich, 1968 .

Sediment and pollen evidence for an early to mid-Holocene humid period in the eastern Sahara

C. Haynes, J. C. Ritchie, C. Eyles, 1985, Nature.

Absolute pollen frequencies and carbon-14 age of a section of Holocene Lake sediment from the Riding Mountain area of Manitoba

J. C. Ritchie, 1969 .

The patterns of post-glacial spread of white spruce

G. MacDonald, J. C. Ritchie, 1986 .

Modern Analogues of Late-Quaternary Pollen Spectra from the Western Interior of North America

K. Gajewski, P. Bartlein, L. Brubaker, 1989 .

CONTRIBUTIONS TO THE HOLOCENE PALEOECOLOGY OF WESTCENTRAL CANADA: A LATE-GLACIAL DEPOSIT FROM THE MISSOURI COTEAU

J. C. Ritchie, B. D. Vries, 1964 .

CONTRIBUTIONS TO THE HOLOCENE PALEOECOLOGY OF WESTCENTRAL CANADA: I. THE RIDING MOUNTAIN AREA

J. C. Ritchie, 1964 .

Pollen stratigraphy of holocene sediments from the grand rapids area, Manitoba, Canada

J. C. Ritchie, K. A. Hadden, 1975 .

CHROMOSOME NUMBERS FROM CENTRAL NORTHERN CANADA

Á. Löve, J. C. Ritchie, 1966 .

Contemporary pollen spectra in Central Canada. I: Atmospheric samples at Winnipeg, Manitoba

J. C. Ritchie, S. Lichti-federovich, 1963 .

Holocene vegetation zonation in the eastern Sahara

C. Haynes, J. C. Ritchie, 1987, Nature.

THE MODERN AND LATE‐QUATERNARY VEGETATION OF THE DOLL CREEK AREA, NORTH YUKON, CANADA

J. C. Ritchie, 1982 .

A Holocene pollen record from Bir Atrun, northwest Sudan

J. C. Ritchie, 1987 .

Aspects of the Late-Pleistocene History of the Canadian Flora

J. C. Ritchie, 1966 .

Vegetation-pollen-climate relationships for the arcto-boreal region of North America and Greenland

K. Gajewski, P. Bartlein, L. Brubaker, 1991 .

Patterns of change in the late-Quaternary vegetation of the Western Interior of Canada

G. A. Yarranton, J. C. Ritchie, 1978 .

The Vegetation of Northern Manitoba V. Establishing the Major Zonation

J. C. Ritchie, 1960 .

A Holocene pollen record of boreal forest history from the Travaillant Lake area, Lower Mackenzie River Basin

J. C. Ritchie, 1984 .

Climate Change and Arctic Ecosystems: 1. Vegetation Changes North of 55°n between the Last Glacial Maximum, Mid-holocene, and Present

Benjamin Smith, W. Cramer, J. Kaplan, 2003 .