Search
Now showing items 1-10 of 331
Significant organotin contamination of sediment and tissues of milkfish in brackish water ponds.
(Springer Verlag, 1999)
Organotin pesticides, triphenyltin acetate or hydroxide have long been used as an inexpensive method to control the population of brackish water shails Cerithidea cingulata in the pond culture of milkfish (Chanos chanos ...
Daily rates of ingestion on rotifers and Artemia nauplii by laboratory-reared grouper larvae of Epinephelus suillus
(San Carlos Publications, University of San Carlos, 1994)
The amount of rotifers and Artemia nauplii consumed daily by the grouper Epinephelus suillus larvae was determined through examination of gut contents. The larvae (2.6 mm TL) were initially fed rotifers on day 2 and newly ...
Protected areas for biodiversity conservation and environment education in the Philippines
Bagarinao, Teodora 
(Science and Technology Information Institute, 1999)
(Science and Technology Information Institute, 1999)
The Philippines holds the distinction of having enormous biodiversity with the highest density of endemic species but has the problem of very fast decline in old-growth forests and the highest number of endangered mammal ...
Molluscicidal activity of tobacco dust against brackishwater pond snails (Cerithidea cingulata Gmelin)
(Elsevier, 1998)
Toxicity tests on the effect of tobacco dust against brackishwater pond snails (Cerithidea cingulata Gmelin) of various stages or size ranges were conducted under controlled laboratory conditions. The 72-h LC<sub>50</sub> ...
Hormonal changes accompanying sexual maturation in captive milkfish (Chanos chanos Forsskal)
(Springer Verlag, 1992)
Steroid hormone profiles accompanying sexual maturation in captive milkfish are described. There were no significant differences in levels of serum estradiol 17-β (E<sub>2</sub>) and testosterone (T) between immature male ...
Economic feasibility analysis of the monoculture of mudcrab (Scylla serrata) Forsskal
(Elsevier, 1990)
Mudcrabs, Scylla serrata Forsskal, were monocultured at different stocking densities: 5000, 10 000, 15 000 and 20 000/ha for 90 days. Highest mean weight, survival and relative growth increment (P>0.05) were obtained from ...
Intensive prawn farming in the Philippines: ecological, social, and economic implications
Primavera, Jurgenne (Springer Verlag, 1991)
(Springer Verlag, 1991)
The benefits of intensive farming of the giant tiger prawn Penaeus monodon in the Philippines are discussed in relation to the environmental costs. Ecological effects include mangrove conversion into ponds; use of antibiotics ...
Diel activity patterns in Metapenaeus and Penaeus juveniles
Primavera, Jurgenne ; Lebata, J. (Springer Verlag, 1995)
; Lebata, J. (Springer Verlag, 1995)
Small (5–10.9 mm carapace length), medium (11–15.9 mm), and large (16–20.9 mm) juveniles of Metapenaeus anchistus, Metapenaeus sp., Penaeus monodon and P. merguiensis were stocked individually in glass tanks provided with ...
Nature parks, museums, gardens, and zoos for biodiversity conservation and environment education: the Philippines
Bagarinao, Teodora (Springer Verlag, 1998)
(Springer Verlag, 1998)
Public consciousness about biodiversity and the environment, and their importance for sustainable development is not widespread in the Philippines. This article advocates nonformal environment education through nature ...
Large scale hatchery production of Penaeus monodon using natural food and artificial diets
(Society of Israeli Aquaculture and Marine Biotechnology, 1991)
Natural food in combination with either SEAFDEC formulated or other commercial larvae diets was tested for large scale production of Penaeus monodon postlarvae. Two trials of 3 treatments each, 2 replications of each ...