Science in New Guinea, Volumes 11-12University of Papua New Guinea., 1985 - Natural history |
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Page 14
Rousvoal ( 1981 ) recorded a 6.5 % reduction in number of fronds per square metre and length of fronds in Cameroon after a single clipping . Repeated slashing at regular intervals before the fronds have completely unfurled can keep ...
Rousvoal ( 1981 ) recorded a 6.5 % reduction in number of fronds per square metre and length of fronds in Cameroon after a single clipping . Repeated slashing at regular intervals before the fronds have completely unfurled can keep ...
Page
On seven occasions ( 1 , 8 , 22 March , 26 April , 31 May ) jassid damage to plants was recorded according to the following scale : 0 = total defoliation due to jassid attack 1 = more than 50 % of leaves with jassid burn 2 25-50 % of ...
On seven occasions ( 1 , 8 , 22 March , 26 April , 31 May ) jassid damage to plants was recorded according to the following scale : 0 = total defoliation due to jassid attack 1 = more than 50 % of leaves with jassid burn 2 25-50 % of ...
Page 136
In these cases numbers of each species were recorded , and in subsequent analysis , all individuals with a mouth width of less than 5 mm were excluded . All neritids were returned to their environment immediately after recording .
In these cases numbers of each species were recorded , and in subsequent analysis , all individuals with a mouth width of less than 5 mm were excluded . All neritids were returned to their environment immediately after recording .
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Contents
Ascorbic acid content of some Papua New Guinean | 1 |
The potential use of modern geodetic methods for geophysical | 19 |
A short note on yields of forty one varieties of aibika | 39 |
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Common terms and phrases
acid analysis animals Australian base Chemical chemistry collected Common concentrations coral course damage Department depth described detail determined distribution East Education effect end of island examination Family Figure fish Fly River forest formal fronds fruit garden given Grade habitats High School hospital important indicate infection intertidal Journal leaf leaves length Linnaeus mangrove material mean measured mercury methods natural noted observed occur operations Papua New Guinea parasite period plants Port possible present problems Province published range Rare recorded reef REFERENCES region Research River rock sample sand seagrass shallow subtidal shell showed side of island significant South species specimens survey Table Teachers teaching Technology terraces topics trees Uncommon University of Papua UPNG varieties vegetables west side yield zone