An Ecological and Taxonomic Study of the Algae of British Soils

John, Rachel

doi:10.1093/oxfordjournals.aob.a088410

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(I) ^H and Calcium Carbonate2

Materials Collection1

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1946

2024

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Cited by 48 publications

(22 citation statements)

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“…My results are in general agreement with those of John (1942) who concluded that Myxophyceae and most Xanthophyceae are calcicolous and certain Chlorophyceae characteristic of acid non-calcareous soils (cf. Petersen, 1915).…”

Section: (I) ^H and Calcium Carbonatesupporting

confidence: 91%

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Observations on Soil Algae

Lund

1947

New Phytologist

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Section: (I) ^H and Calcium Carbonatesupporting

confidence: 91%

“…var. minor) is recorded by Petersen (1915) and John (1942) on acid and neutral to alkaline soils but, like John, I found it to attain its maximum development on the former.…”

Section: (I) ^H and Calcium Carbonatementioning

confidence: 51%

Observations on Soil Algae

Lund

1947

New Phytologist

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“…Cyanophyceae apparently are similar to azotobacter in that their distribution is strongly influenced by soil reaction. They have rarely been found in soils below pH 6.0 (10,11,13,15). It should be noted, however, that these investigations were concerned with the total algal flora, not just bluegreen algae or nitrogen-fixing species in particular.…”

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confidence: 99%

Nitrogen-fixing blue-green algae in acid forest and nursery soils

Jürgensen¹,

Davey²

1968

Can. J. Microbiol.

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Algal populations were studied in soils from sites representing several major forest types ranging from the spruce–fir forests in the Appalachian Mountains to the Southern pine forests along the Atlantic Coast. In addition, the nitrogen-fixing blue-green algal population of a forest tree nursery was examined.The results of this investigation indicate a general lack of nitrogen-fixing algae in acid forest soils. However, a pronounced development of these algae was observed in the acid nursery soil, especially on the soil surface. Low numbers of algae were found in some forest soils but only when the soil was above pH 5.4. No nitrogen-fixing Cyanophyceae were isolated from soils in the Appalachian Mountains regardless of soil acidity. Nostoc muscorum was the most common nitrogen-fixing species occurring under both forest and nursery conditions. Nostoc commune was isolated only from the nursery soil. Several strains of Nostoc ellipsosporum were obtained from a mixed hardwood–softwood site. An examination of the algal flora of a number of Alaskan tundra soils gave results similar to those found in the forest soils.

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“…It is one of tbe few diatoms occurring on sucli soils which are also delicient in nitrates and available phosphate (e.g. ScS, 26, 55, 5^)' John (1942) records it as typical of calcareous soils and Hustedt (1937-8, p. 234) in various neutral to alkaline waters.…”

mentioning

confidence: 99%

Observations on Soil Algae

Lund

1946

New Phytologist

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An Ecological and Taxonomic Study of the Algae of British Soils

Cited by 48 publications

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Observations on Soil Algae

Observations on Soil Algae

Nitrogen-fixing blue-green algae in acid forest and nursery soils

Observations on Soil Algae

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