Science in New Guinea, Volume 11University of Papua New Guinea, 1985 - Agriculture |
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Page 82
... crabs might not be healthy . If a particular crab failed to damage any shells for sev several consecutive days , a juvenile Strombus gibberulus L. was added to that crab's tank . Healthy crabs attack s . gibberulus quickly and ...
... crabs might not be healthy . If a particular crab failed to damage any shells for sev several consecutive days , a juvenile Strombus gibberulus L. was added to that crab's tank . Healthy crabs attack s . gibberulus quickly and ...
Page 83
... crabs . number of snails killed by the crabs . N ATTACKS SUCCESSES is the SUCCESSES Slender species Terebra kilburni 55 4 0 Terebra laevigata 69 5 1 Terebra subulata 45 1 0 Robust species : Terebra affinis 22 3 1 Terebra areolata 15 ...
... crabs . number of snails killed by the crabs . N ATTACKS SUCCESSES is the SUCCESSES Slender species Terebra kilburni 55 4 0 Terebra laevigata 69 5 1 Terebra subulata 45 1 0 Robust species : Terebra affinis 22 3 1 Terebra areolata 15 ...
Page 84
... crabs . When the gastropod reaches a relatively large size in comparison with the crab it tends to become invulnerable to the crab's attack . Vermeij ( 1977b ) referred to this as the critical size . Miller ( 1975 ) observed this effect ...
... crabs . When the gastropod reaches a relatively large size in comparison with the crab it tends to become invulnerable to the crab's attack . Vermeij ( 1977b ) referred to this as the critical size . Miller ( 1975 ) observed this effect ...
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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ABSTRACT aibika Alveolinella analysis animals apertural face areas ascorbic acid attack Australian barramundi biology bracken Calappa Calophyllum Chemical chemistry course cognitive demand cognitive development collected concrete crabs crops curricula curriculum Daru Department Ecology fish Fly River foraminifera forest freshwater fronds fronds per square garden gastropods genera geodetic Grade 12 grassland hydrographic infection jassid damage Journal Kiunga laboratory Lake Murray larger foraminifera length Manus Manus Province material methods Motupore Island Mount Hagen National Capital District National High School Nautilus pompilius P.O. Box paper Papua New Guinea plants Port Moresby predation Province provincial high school Pteridium quoyi Research ridges samples satellite scrobiculatus Shayer shell slender terebrids species specimens square metre survey syllabus Table Tanon Straits taro teachers Terebra tertiary tidal topics Transferred from Keravat trees University of Papua University of Technology varieties vegetables Vermeij vitamin Waigani wightianum yarrabense yield