PHOTOSYNTHESIS AND RESPIRATION OF ALPINE LICHENS
Photosynthetic and respiratory rates were studied in Cetraria islandica, C. nivalis, and Cladonia rangiferina in the alpine zone of Mt. Washington, New Hampshire. Measurements were made in the field using an infrared gas analyzer; light, temperature, and thallus water content were varied. In all spe...
Published in: | American Journal of Botany |
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1964
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Online Access: | http://dx.doi.org/10.1002/j.1537-2197.1964.tb06712.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fj.1537-2197.1964.tb06712.x https://onlinelibrary.wiley.com/doi/pdf/10.1002/j.1537-2197.1964.tb06712.x http://api.wiley.com/onlinelibrary/chorus/v1/articles/10.1002%2Fj.1537-2197.1964.tb06712.x |
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crwiley:10.1002/j.1537-2197.1964.tb06712.x 2024-06-02T08:01:27+00:00 PHOTOSYNTHESIS AND RESPIRATION OF ALPINE LICHENS Bliss, L. C. Hadley, E. B. National Science Foundation 1964 http://dx.doi.org/10.1002/j.1537-2197.1964.tb06712.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fj.1537-2197.1964.tb06712.x https://onlinelibrary.wiley.com/doi/pdf/10.1002/j.1537-2197.1964.tb06712.x http://api.wiley.com/onlinelibrary/chorus/v1/articles/10.1002%2Fj.1537-2197.1964.tb06712.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor American Journal of Botany volume 51, issue 8, page 870-874 ISSN 0002-9122 1537-2197 journal-article 1964 crwiley https://doi.org/10.1002/j.1537-2197.1964.tb06712.x 2024-05-03T10:39:26Z Photosynthetic and respiratory rates were studied in Cetraria islandica, C. nivalis, and Cladonia rangiferina in the alpine zone of Mt. Washington, New Hampshire. Measurements were made in the field using an infrared gas analyzer; light, temperature, and thallus water content were varied. In all species, considerable reduction in photosynthesis and respiration occurred with drying, more rapidly in photosynthesis than respiration. Optimal photosynthetic rates in all 3 species occurred at 15–20 C with light levels of 1,600 ft‐c. Light compensation points ranged from 200 to 350 ft‐c. Optimal respiratory rates were attained at 15 C in the 2 species of Cetraria and at 20 C in Cladonia. The data indicate that these wide‐ranging, arctic‐alpine and arctic‐temperate lichens on Mt. Washington are quite well adapted to a moist, foggy environment with cool temperatures and low light levels, conditions which predominate in summer. Article in Journal/Newspaper Arctic Cladonia rangiferina Wiley Online Library Arctic American Journal of Botany 51 8 870 874 |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Photosynthetic and respiratory rates were studied in Cetraria islandica, C. nivalis, and Cladonia rangiferina in the alpine zone of Mt. Washington, New Hampshire. Measurements were made in the field using an infrared gas analyzer; light, temperature, and thallus water content were varied. In all species, considerable reduction in photosynthesis and respiration occurred with drying, more rapidly in photosynthesis than respiration. Optimal photosynthetic rates in all 3 species occurred at 15–20 C with light levels of 1,600 ft‐c. Light compensation points ranged from 200 to 350 ft‐c. Optimal respiratory rates were attained at 15 C in the 2 species of Cetraria and at 20 C in Cladonia. The data indicate that these wide‐ranging, arctic‐alpine and arctic‐temperate lichens on Mt. Washington are quite well adapted to a moist, foggy environment with cool temperatures and low light levels, conditions which predominate in summer. |
author2 |
National Science Foundation |
format |
Article in Journal/Newspaper |
author |
Bliss, L. C. Hadley, E. B. |
spellingShingle |
Bliss, L. C. Hadley, E. B. PHOTOSYNTHESIS AND RESPIRATION OF ALPINE LICHENS |
author_facet |
Bliss, L. C. Hadley, E. B. |
author_sort |
Bliss, L. C. |
title |
PHOTOSYNTHESIS AND RESPIRATION OF ALPINE LICHENS |
title_short |
PHOTOSYNTHESIS AND RESPIRATION OF ALPINE LICHENS |
title_full |
PHOTOSYNTHESIS AND RESPIRATION OF ALPINE LICHENS |
title_fullStr |
PHOTOSYNTHESIS AND RESPIRATION OF ALPINE LICHENS |
title_full_unstemmed |
PHOTOSYNTHESIS AND RESPIRATION OF ALPINE LICHENS |
title_sort |
photosynthesis and respiration of alpine lichens |
publisher |
Wiley |
publishDate |
1964 |
url |
http://dx.doi.org/10.1002/j.1537-2197.1964.tb06712.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fj.1537-2197.1964.tb06712.x https://onlinelibrary.wiley.com/doi/pdf/10.1002/j.1537-2197.1964.tb06712.x http://api.wiley.com/onlinelibrary/chorus/v1/articles/10.1002%2Fj.1537-2197.1964.tb06712.x |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Cladonia rangiferina |
genre_facet |
Arctic Cladonia rangiferina |
op_source |
American Journal of Botany volume 51, issue 8, page 870-874 ISSN 0002-9122 1537-2197 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/j.1537-2197.1964.tb06712.x |
container_title |
American Journal of Botany |
container_volume |
51 |
container_issue |
8 |
container_start_page |
870 |
op_container_end_page |
874 |
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1800745825474707456 |