Quantification of Tiller Pull-Up During Grazing of Pinegrass

Stout, Darryl G.; Brooke, B.

doi:10.4141/cjps85-120

Cited by 4 publications

(2 citation statements)

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“…1). It is well known that in homogenous communities the species of higher density exert a greater effect on community organization and metabolism (Stout and Brooke 1985). Sivashanmugam (2008) has previously encountered greater number of C 4 species than C 3 species per unit area in all four studied grasslands.…”

Section: Resultsmentioning

confidence: 88%

Matter dynamics with respect to influences of C₃and C₄plants in four subtropical grasslands of Nilgiri Biosphere Reserve, the Western Ghats, India

Paulsamy¹,

Kil²,

Sivashanmugam³

2012

J. Ecol. Environ.

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Biomass changes, net primary production and transfer dynamics of dry matter in four subtropical humid montane grasslands at Ebbenadu, Korakundah, Thiashola and Wenlockdown in Nilgiri Biosphere Reserve (NBR), the Western Ghats, India, were investigated. Despite the early report of a higher density and dominance of C 4 species over C 3 species in these grasslands, no functional study of matter production had previously been carried out. Therefore, in order to determine the roles played by these two groups of species, the present study was attempted. The study revealed that the dry matter and net primary production contributed by C 4 species were much greater than those of its C 3 counterpart in all the grasslands. The turnover rate of aboveground dry matter for both C 3 and C 4 species was generally rapid, whereas it was slow for belowground parts, and litter components of C 3 and C 4 species together. In all grasslands, generally about 60% and 10% of the input were channeled to aboveground and belowground parts, respectively, by the C 4 species, whereas the C 3 species transferred only about 22% and 8% of dry matter to aboveground and belowground parts, respectively. The total disappearance of dry matter was 2.73, 2.10, 3.19, and 1.96 g m-2 day-1 in Ebbenadu, Korakundah, Thiashola and Wenlockdown grasslands, which was 48.83%, 44.30%, 54.81%, and 41.09% of the total input, respectively, in these grasslands. This resulted in a considerable surplus dry matter production in all the grasslands studied. This balance sheet of dry matter in community function indicates that all the four studied grasslands were supporting the existing wild animals adequately in terms of pasture supply. The study further revealed that the stronger establishment of C 4 species rather than their C 3 counterparts, in terms of higher density and dominance, has driven them to play major roles in matter dynamics and system transfer functions in all the four grasslands studied. This fact evidenced that pasture from C 4 species for wild animals was determined to be higher in comparison to that of C 3 species.

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Section: Resultsmentioning

confidence: 88%

Matter dynamics with respect to influences of C₃and C₄plants in four subtropical grasslands of Nilgiri Biosphere Reserve, the Western Ghats, India

Paulsamy¹,

Kil²,

Sivashanmugam³

2012

J. Ecol. Environ.

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“…The number of tillers per tuft for a given stand is variable: at a typical site near Kam loops it ranged from 1 to 24 tillers with a mean of 6 tillers (Stout and Brooke, 1985b).…”

Section: Qualitative Aspects Of Growthmentioning

confidence: 99%

Pinegrass, an important forage in interior B.C

Stout¹,

Quinton²,

Canada³

1986

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1990

Grazing Management

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Quantification of Tiller Pull-Up During Grazing of Pinegrass

Cited by 4 publications

References 6 publications

Matter dynamics with respect to influences of C₃and C₄plants in four subtropical grasslands of Nilgiri Biosphere Reserve, the Western Ghats, India

Matter dynamics with respect to influences of C₃and C₄plants in four subtropical grasslands of Nilgiri Biosphere Reserve, the Western Ghats, India

Pinegrass, an important forage in interior B.C

Literature Cited

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Quantification of Tiller Pull-Up During Grazing of Pinegrass

Cited by 4 publications

References 6 publications

Matter dynamics with respect to influences of C3and C4plants in four subtropical grasslands of Nilgiri Biosphere Reserve, the Western Ghats, India

Matter dynamics with respect to influences of C3and C4plants in four subtropical grasslands of Nilgiri Biosphere Reserve, the Western Ghats, India

Pinegrass, an important forage in interior B.C

Literature Cited

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Matter dynamics with respect to influences of C₃and C₄plants in four subtropical grasslands of Nilgiri Biosphere Reserve, the Western Ghats, India

Matter dynamics with respect to influences of C₃and C₄plants in four subtropical grasslands of Nilgiri Biosphere Reserve, the Western Ghats, India