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- W2497813145 abstract "Litter production and decomposition of mature shrubs of Protea repens (L.) L. growing in coastal and mountain fynbos, south-western Cape, were studied during 1981 – 1983. Mean annual litter production under the canopies ranged from 200 to 450 g m–2. Leaf fall accounted for 50 – 87% of the total with floral bracts being the next dominant category. November – January was the main period of litter release. Winter (June – August) leaf litter contained the lowest soluble carbohydrates and highest lignin levels. The phosphorus and nitrogen concentrations of freshly fallen litter were less than that of attached leaves and the decline ranged from 33 to 66% and 3 to 25% respectively. Leaf litter decomposition was not seasonal and no differences were encountered in the decay of dry mass, lignin, cellulose and soluble carbohydrates in the decomposing leaf litter from the two study areas. Leaf litter decomposition turnover times of P. repens are longer than those of sclerophyllous shrubs of other mediterranean-type ecosystems. Produksie en ontbinding van plant-afval van volwasse Protea repens (L.) L.-struike van kusfynbos en bergfynbos, suidwes Kaap, was bestudeer gedurende 1981–1983. Die gemiddelde jaarlikse plantafval-produksie onder die plantkrone was tussen 200 – 450 g m–2. Blaarval het 50 – 87% tot die totale plantafval bygedra en blom-skutblare was die volgende dominante kategorie. November – Januarie was die belangrikste periode vir plantafval-vrystelling. Gedurende die winter (Junie – Augustus) het die blaarafval die laagste oplosbare koolhidrate bevat en die hoogste lignien-inhoud gehad. Die fosfor- en stikstof konsentrasies van pasgevalle plantafval was minder as die van aangehegte blare en die verval het van 33 tot 66% en 3 tot 25% onderskeidelik gewissel. Blaarafval-ontbinding was nie seisoenaal nie en geen verskille in die afbraak van die droë massa, lignien, sellulose en oplosbare Koolhidrate was in die ontbindende blaarafval van die twee studie-gebiede ondervind nie. Die omsettye van blaarafval ontbinding vir P. repens is langer as die van sklerofiele struike van ander mediterreense-tipe-ekosisteme." @default.
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- W2497813145 date "1987-02-01" @default.
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- W2497813145 title "Litter production and decomposition from shrubs of Protea repens growing in sand plain lowland and mountain fynbos, south-western Cape" @default.
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- W2497813145 doi "https://doi.org/10.1016/s0254-6299(16)31468-5" @default.
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