Effect of simulated acid rain on reproductive attributes of red spruce (Picea rubens sarg.)

Feret, Peter P.; Diebel, Kenneth E.; Sharik, Terry L.

doi:10.1016/0098-8472(90)90042-3

Cited by 4 publications

(1 citation statement)

References 16 publications

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“…SAR at pH 2.0 induced visible injuries but no visible symptoms at pH 3.0 or higher. Faret et al (1990) studied the effects of SAR on reproductive attributes of red-spruce (Picea rubens Sarg.) and reported that growth and reproduction is declining in many areas of Eastern United States.…”

Section: Introductionmentioning

confidence: 99%

Effects of Simulated Acid Rain on Germination and Seedling Growth of some Wild and Cultivated Species

Shaukat¹,

Shafiq²

1998

Pakistan J. of Biological Sciences

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The effects of simulated acid rain (SAR) on germination and early seedling growth of five species were studied. Two treatments of SAR were given -pH 3.0 and 4.0 while deionized distilled water served as control. SAR treatment at both the pH decreased the rate as well as the final germination percentage of Clitorea ternatea L. Germination of Senna holosericea (Fresen.) Greuter and Adenanthera pavonina L. remained unaffected by SAR while that of Leucaena leucocephala (Lam.) de Wit. and Senra incana Cav. increased over the controls. Except for Senra incana where root growth was stimulated, SAR markedly inhibited root as well as shoot growth of the test species. The possible causes of differential effects of SAR on plants are discussed.

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Section: Introductionmentioning

confidence: 99%

Effects of Simulated Acid Rain on Germination and Seedling Growth of some Wild and Cultivated Species

Shaukat¹,

Shafiq²

1998

Pakistan J. of Biological Sciences

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Factors Affecting Red Spruce Regeneration in Declining Areas of Camels Hump Mountain, Vermont

Klein

Perkins

Adrian

et al. 1991

American J of Botany

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Scarcity of red spruce (Picea rubens Sarg.) seedlings in declining spruce‐fir forests of Camels Hump mountain, Vermont, prompted a study on some contributing factors involved in failure of spruce regeneration. Cones were shorter than those from low elevation red spruce trees from unaffected sites. Seed number in cones collected in declining areas of Camels Hump was low as were seed sizes and weights. Seed germination was at control levels only in good seed years. Capacity of seeds to form seedlings was reduced relative to that of controls, although seedling growth was normal. Coniferous litter contains presumed allelopathic substances leachable by contemporary precipitations that affect seed germination and seedling root development in red spruce, but not in balsam fir. Shield fern contains leachable substances that reduce seed germination and seedling root development in red spruce, but not balsam fir. Roots of red spruce germlings have lower capacity to penetrate through the increased forest duff depths of declining forests than do balsam fir roots. It is anticipated that substantial reproduction of red spruce will not occur in declining montane conifer forests under present conditions.

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Effects of a copper smelter on a grassland community in the Puchuncavı́ Valley, Chile

Ginocchio

2000

Chemosphere

103

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Effect of simulated acid rain on reproductive attributes of red spruce (Picea rubens sarg.)

Cited by 4 publications

References 16 publications

Effects of Simulated Acid Rain on Germination and Seedling Growth of some Wild and Cultivated Species

Effects of Simulated Acid Rain on Germination and Seedling Growth of some Wild and Cultivated Species

Factors Affecting Red Spruce Regeneration in Declining Areas of Camels Hump Mountain, Vermont

Effects of a copper smelter on a grassland community in the Puchuncavı́ Valley, Chile

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