Lambaklad is one of the most feasible types of set net. It originated from Japan and its use has proliferated in Philippines. The advantages, the economic and social benefits, and the environmental importance of using lambaklad in the Philippines are discussed in the paper. Moreover, an economic aspect of setting up lambaklad is also presented

Dickson, Alma C.

Velasco, Pierre Easter L.

Aquatic Commons

CP 05 |  71
SET NET FISHERY 
(LAMBAKLAD)
Alma C. Dickson, Pierre Easter L. Velasco 
Bureau of Fisheries and Aquatic Resources, Philippines
■  DESCRIPTION
Philippines, like Japan is an 
archipelago endowed with numerous bays, 
gulfs and coves that are essential requisites for 
set nets. The set net is a typical “passive” gear 
in contrast to such an aggressive or active type 
of fishing gear such as trawl and boat seines.
One of the most feasible type of set 
net is the Lambaklad. Lambaklad is a Japanese 
(Otoshi-Ami) type of set net that consists of 
several parts, namely: the bag, the slope (outer 
and inner), the playground and the leader. 
Each of these parts has its own role in trapping 
the fish. The leader blocks the path of the 
school of migratory fish that lead them to the 
playground. From the playground, fish enters 
the outer slope by means of the pointer 
nettings. As the fish passes through the slope, 
it enters the inner slope or non-return valve 
dropping into the bag where they are trapped 
and hauled for the catch. This design 
effectively confines fish and enables hauling 
only in a small box chamber to harvest them. 
This is the major category of set net which is 
popularly used today in Japan and encounters 
proliferation in the Philippines. Otoshi, a 
Japanese word means trapping down and Ami 
means a net.
Lambaklad is considered as one of the 
most viable and durable fishing methods used 
for catching first class highly migratory fishes 
such as tuna and tuna-like species i.e. yellow 
fin, skipjack, marlin, Spanish mackerel, caranx 
sp., crevalle and other migratory fishes. Its 
fishing operation is very economical and not 
fuel-consuming. It is a passive and seasonal 
gear due to the effect of monsoon wind. 
Likewise, the net could be removed at sea 
during unfavorable weather condition 
especially during typhoon months.
This gear is set in the strategic coastal 
areas, which are considered migration paths 
of pelagic fishes. They are set in coves and in 
bays preferably in areas where there are 
moderate currents and observed as feeding 
ground of migrating species. It could be set 
from 20 to 45 meters deep. The life span of 
the fishing materials will last for 5 to 7 years.
The environment to support set net 
(Lambaklad) is unique not only in the 
Philippines and Japan, where it originated but 
must also be available all over the world. 
Hence, there is no reason that the technical 
transfer fo r  Lam baklad fishery is doubtful 
in o th er countries. Since set net fishing 
mainly depends on environmental factors, the 
technology is applicable in waters wherever 
the situation is favorable to develop in many 
parts of coastal waters over the world.
■ ADVANTAGES OF A LAMBAKLAD
Lambaklad have some advantages 
compared to other types of fishing gear. The 
following are the advantages:
1. Passive type of gear : the gear is 
stationary and is anchored at the bottom. It is 
a “wait and see” type of fishery operated to 
catch only incoming fishes.
2. Good Quality of Catch : can be 
preserved in the net for a number of days 
waiting for good market price as being alive 
and fresh and near to the market.
3. Durable life of materials : increased 
life span of the gear due to the advent of 
synthetic materials from jute.
4. Seedlings for Aquaculture : fishes 
caught alive could be reared in tanks, cages 
and ponds e.g. yellow tail, red sesa bream, etc. 
for marine fish cultivation.
72 Enhancing Coastal Resources: Artificial Reefs Stationary Fishing Gear Design and Construction 
and Marine Protected Areas
5. Shorter Working Time : fishermen can 
attend to other businesses after 2-3 hours of 
hauling in a day and with the mechanization of 
the boat, the working time and labor cost is 
reduced.
6. Less Fuel Consumption : as 
compared to trawl and other types of fishing 
gear, fishermen do not go too far from shore 
to scout a school of fish.
7. Preserves the Marine Resources : 
being a selective and passive gear, it can only 
fish coming to it with much less possibility of 
overfishing.
■  AREAS OF OPERATION
Fig. 1 Status of Operational Lambaklad 
Projects in the Philippines
There are fifty-four (58) lambaklad 
units presently operating in all regions (Figure 
1) of the Philippines. It is broken down of as 
follows: Antique 19 units; Aklan 17 units; 
Camarines Province 2 units; Ilocos Province 
7 units; Leyte - units; Mindoro - units and 
Zambales 7 units.
■  ON-GOING LAMBAKLAD 
CONSTRUCTION
Fig. 2 Regional Distribution of Lambaklad 
on-going Construction
Figure 2 shows that in a total of ten that 
are on-going construction, three are done at 
Regions 1 and 6, two are at Region 5 and one 
each for Regions 4 and 5. It is expected that 
this number of Lambaklad undergoing 
construction will grow due to enormous 
requests from different Regional Offices 
nationwide for Lambaklad Project.
■  AREAS SURVEYED/PROPOSED 
SITES
Fig. 3 Lambaklad Data on surveyed Sites 
and Surveyed Feasible Areas
Figure 3 shows the data on the 
regional distribution of Proposed Projects and 
the actual Surveyed Feasible Areas in the 
Philippine. Furthermore, it shows that among 
the proposed seven (7) projects at Region 1, 
ten (10) areas were found out to be feasible 
while one (1) proposed project at region 2 and 
2 sites were found out to be feasible.
It is interesting to note that no project 
was proposed in regions IV and VI but were 
found out to have eight (8) and five (5) 
surveyed feasible areas respectively.
To date, there are eleven (11) 
proposed projects while 35 areas in the 
Philippines were found out feasible.
■  IMPORTANCE/BENEFITS
Economic Benefits
The implementation of the project 
will introduce a community-based livelihood 
program, the direct beneficiaries of which are 
the residents of the area. The lambaklad net 
fishing will provide regular source of extra
CP 05 |  73
income and additional em ployment 
opportunities to the fisherfolks. Better quality 
of local fish supply will increase with lesser 
lives’ risk considering that it is a coastal type 
of fishing. Increase trade with other 
communities and other economic activities 
will generate more revenue to the community 
and the government.
Social Benefits
Cooperative participation in the 
conceptualization of the project is recognized 
and highly encouraged. Dialogue is conducted 
with the representative from the cooperative 
with the local residents to final solution of the 
proposed project site. It is also through this 
dialogue that the fishermen encourage to a 
cooperative to push with the project.
Fisherfolks/Cooperative and Fishermen 
Association are integrated of the project. 
Their direct and active participation in the 
project is imperative to insure availability as 
envisioned that through direct technology 
transfer and management training fisherfolks 
cooperators, the project will be replicated in 
the future.
As development effect, the quality of 
life of the fisherfolk organization will 
improve. Being a community-based project, 
their involvement and participation in the 
cooperative effort will be heightened. The 
cooperative will thus be strengthened. Its 
capability will be increased and more services 
will be rendered for more community 
development endeavors.
Environment Aspect
The introduction of a new, efficient 
and environment-friendly fishing method 
shall boost production and will eventually 
provide an alternative measure against illegal 
and highly destructive fishing methods such 
as dynamite and cyanide poisoning. The set 
net (lambaklad) being stationary will serve as 
buffer or fence against incursion of large
commercial fishing vessels in the municipal 
waters. The fisherfolks cooperators will 
naturally act as protectors in the nearby 
vicinity of the project so as to ensure viability 
and sustainability of their livelihood. Marine 
resources will be protected and will be 
regenerated. The gear also helps in 
conserving fishes thus serving as sanctuary 
for small and juvenile species.
74 Enhancing Coastal Resources: Art ificial Reefs Stationary Fishing Gear Design and Construction 
and Marine Protected Areas
■  INVESTMENT/INCOME
Investments (Depth: 25 meters)
A. Materials and Equipments/Labor P 1,280,437.90
- one set of otoshi-ami (complete) 812,798.00
- two units of woodenhauling boat 80,000.00
- two units service boat (outriggered) 100,000.00
- two units of steel buoy (rectangular) 80,000.00
- one unit Fishermen Quarter 60,000.00
B. Labor
- Hiring of 18 skilled net menders at
P 170.00/day for 30 days construction 91,000.00
- Hiring of technical supervisor in the
Survey site, gear designing and Construction
and installation 5% 56,639.90
C. Operating Expenses P 280,559.60
- Fuel and Lube-oil 10,000.00
- Repair and maintenance 15,000.00
- Municipal Permit 15,000.00
- Annual depreciation 226,559.60
- Fish Handling 14,000.00
D. Estimated Gross Income (8 months) P 1,260,000.00
- Average catch/day 100 kgs. At P60.00/kg. 
For 210 days (fishing operation)
E. Estimated Net Income P 979,440.40
- 65% institutional share 636,636.26
- 35% Fishermen share 342,804.14
F. Return of Investment
CP 05 |  75
■  EXPERIENCES FROM OTHER 
AREAS
Fig 4. Over all evaluation on Lambaklad 
Operators in 1995
Figure 4 shows the over-all evaluation 
on Lambaklad Operators in 1995. It was found 
out that 80% of the total installed projects were 
gaining and expanding, 15% are mismanaged 
and 5% are damaged by natural calamities. 
As a recent development, Lambaklad units can 
now be installed facing an open sea such as 
South China Sea as experience in the Ilocos 
Region and Zambales Coast.
Through the monitoring of BFAR 
with regards to the operation and production 
of lambaklad projects thus having an average 
yield of 200 kgs. per day. In other observation, 
payback period takes five (5) months of 
operation, having a maximum production of 
25 tons per day in Antique; 14 tons/day in 
Zambales; 13 tons/day in Aklan; 6 tons/day 
in Vigan. For an over-all evaluation in 1995 
on Lambaklad operators.
■  RECOMMENDATIONS
1. Technology transfer on this field 
of Fishing Industry must be encourage and 
intensified.
2. Continuous dissem ination of 
information and educate the lambaklad 
beneficiaries.
3. Scientific studies should be 
conducted in future developm ent of the 
Lambaklad fishery industry.
4. The optimistic materialization of 
proportionately large capital for Lambaklad
investment will stimulate new projects by 
investors to boost the Lambaklad fishing 
business. Therefore, it is strongly 
recommended that soft expanded loans be 
liberalized. Flexible loan programs should be 
sustained by the government to go hand in hand 
with technology and ecological policies.
76 Enhancing Coastal Resources: Artificial Reefs Stationary Fishing Gear Design and Construction 
and Marine Protected Areas
Table 1. Criteria applied to decide dimensions of various positions of Set net.
FIG. POSITIONS CRITERIA TO DECIDE DIMENSIONS
A Front entrance width 1.0 ~ 2.0 (1.5 in average) x water depth, W.
B Back entrance width 0 ~ 100% (50 ~ 60% in average) of the front entrance width, A, or may have no back entrance.
C Buffer stop panel Its length is equivalent to a sum of the widths of front entrance, A and back entrance, B.
D Entrance flap length 30 ~ 40% (1/3 in average) of breadth of net, H.
E
Entrance flap opening (width 
between off- shore ends of 
entrance flaps)
70~85 of the entrance width, A+B.
F Playground side panel The length is 0.8~1.8 (0.9 in average) x W.
G End stopper panel of playground The length is 0.6~1.3 (0.8 in average) x W.
H Breadth of net 0.9~2.2 (1.5 in average) x W, being narrow in a deep fishing ground and broad, in shallow
I
Waist of net (intermediate 
breadth at the end of panel of 
box chamber)
0.6~1.4 (1.0 in average) x W
J Outer slope funnel The length is 1.2 ~ 1.9 (1.5 in average of 20 degrees)
K
Incline of outer slope funnel 
(angle between funnel floor and 
seabed)
12~25 degrees with an average of 20 degrees.
L
Hauling section (width of slope 
funnel at end panel of box 
chamber)
The width is 0.6~0.8 the waist of net, I, basically.
M Inner slope funnel
The length is 0.8 x width between outer slope 
funnel ends, L, or 1/3 of the length of box trap 
chamber
N Height of slope funnel floor at the waist. 0.3~0.7 (0.5 in average) x W
O Distance between base floats and end stopper panel
0.5 x W basically or relatively constant to be 20~30 
m.
P Box Chamber
The length is 1.1~3.3 (2.0 in average) x W. It could 
be as long as 3.0 x W in strong current fishing 
ground.
Q Bunt end The length is the same as that of the net hauling boat.
C
P
 05 
|
 
77
F ig u re  5 )  N am es o f th e  P arts  o f S e t N e t, O to s h i- A m i
78 Enhancing Coastal Resources: Artificial Reefs Stationary Fishing Gear Design and Construction 
and Marine Protected Areas
ESTIMATED BILL OF MATERIALS FOR 30 METERS DEEP SET NET
1. Nettings: (200 MD x 100 m B/R PA)
DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL
210/36 X 11 K Bale 1 30,763.20 30,763.20
210/ 36 X 7 K Bales 6 24,629.80 147,778.80
210/36 X  5 K Bales 7 29,770.00 208,390.00
210/36 X  4 K Bales 5
210/ 45 X  3 K Bales 4 28,431.00 113,724.00
210/45 X  2 K Bales 4 29,770.00 119,080.00
SUB- TOTAL 619,736.00
2. Ropes (medium Laid, PP) 220 meters
DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL
40 mm rolls 2 13,260.00 26,520.00
30 mm rolls 3 10,774.00 32,322.00
24 mm rolls 18 5,024.00 90,432.00
18 mm rolls 10 3,465.00 34,650.00
14 mm rolls 12 1,787.50 21,450.00
7 mm rolls 80 487.00 38,960.00
SUB- TOTAL 244,334.00
3. Knitting Twine (PA br)
DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL
210/36 spools 50 123.50 6,175.00
210/42 spools 30 123.50 3,705.00
210/45 spools 20 123.50 2,470.00
SUB- TOTAL 12,350.00
4. Floats and Sinkers
DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL
Y- 80 pcs. 70 117.00 8,190.00
Y- 30 pcs. 150 53.00 7,950.00
Plastic Floats 15" dia pcs. 150 715.00 107,250.00
#8 pb (50 kgs. / box) box 8 1,885.00 15,080.00
Stone/ Boulders tons 80
SUB- TOTAL 138,470.00
5. Accessories
Flatboat
24' x 4' x 2' unit 2 32,500.00 65,000.00
Main Buoy
8' x 4' x 2' unit 2 30,000.00 60,000.00
Pump Boat unit 1 100,000.00 100,000.00
16 HP Engine 1 65,000.00 65,000.00
Fishermen's Quarter unit 1 60,000.00 60,000.00
SUB- TOTAL 350,000.00
Labor Cost: 30 % of the Materials and Equipments 374253.06
Allowance for Contingencies: 10 % 124751.02
CP 05 |  79
ESTIMATED BILL OF MATERIALS FOR 35 METERS DEEP SET NET
1. Nettings: (200 MD x 100 m B/R PA)
DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL
210/36 X 11 K Bale 1 30,763.20 30,763.20
210/ 3 6 X  7 K Bales 5 24,629.80 123,149.00
210/ 36X5 K Bales 7 29,770.00 208,390.00
210/45 X  3 K Bales 7 28,431.00 199,017.00
210/45 X  2  K Bales 4 29,770.00 119,080.00
SUB- TOTAL 680,399.20
2. Ropes (medium Laid, PP) 220 meters
DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL
40 mm rolls 1 13,260.00 13,260.00
36 mm rolls 3 10,774.00 32,322.00
24 mm roils 16 5,024.00 80,384.00
14 mm rolls 12 1,787.50 21,450.00
7 mm rolls 60 487.00 29,220.00
4 mm rolls 20 280.00 5,600.00
SUB- TOTAL 182,236.00
3. Knitting Twine (PA br)
DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL
210/36 spools 50 123.50 6,175.00
210/45 spools 30 123.50 3,705.00
SUB- TOTAL 9,880.00
4. Floats
DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL
Y- 80 pcs. 70 117.00 8,190.00
Y- 30 pcs. 130 53.00 6,890.00
Synthetic Float pcs. 130 715.00 92,950.00
#8 pb (50 kgs. / box) box 9 1,885.00 16,965.00
SUB- TOTAL 124,995.00
5. Accessories
Flatboat
24' x 4' x 2' unit 2 32,500.00 65,000.00
Main Buoy
8' x 4' x 2' unit 2 30,000.00 60,000.00
One unit Pump Boat
16 HP Engine 1 65,000.00 65,000.00
Fishermen's Quarter unit 1 60,000.00 60,000.00
SUB- TOTAL 250,000.00
Labor Cost: 30 % of the Materials and Equipments 374253.06
Allowance for Contingencies: 10 % 124751.02
GRAND TOTAL 1,746,514.28


Set net fishery (Lambaklad)

Southeast Asian Fisheries Development Center, Training Department Institutional Repository

CP 05 |  71SET NET FISHERY (LAMBAKLAD)Alma C. Dickson, Pierre Easter L. Velasco Bureau of Fisheries and Aquatic Resources, Philippines■  DESCRIPTIONPhilippines, like Japan is an archipelago endowed with numerous bays, gulfs and coves that are essential requisites for set nets. The set net is a typical “passive” gear in contrast to such an aggressive or active type of fishing gear such as trawl and boat seines.One of the most feasible type of set net is the Lambaklad. Lambaklad is a Japanese (Otoshi-Ami) type of set net that consists of several parts, namely: the bag, the slope (outer and inner), the playground and the leader. Each of these parts has its own role in trapping the fish. The leader blocks the path of the school of migratory fish that lead them to the playground. From the playground, fish enters the outer slope by means of the pointer nettings. As the fish passes through the slope, it enters the inner slope or non-return valve dropping into the bag where they are trapped and hauled for the catch. This design effectively confines fish and enables hauling only in a small box chamber to harvest them. This is the major category of set net which is popularly used today in Japan and encounters proliferation in the Philippines. Otoshi, a Japanese word means trapping down and Ami means a net.Lambaklad is considered as one of the most viable and durable fishing methods used for catching first class highly migratory fishes such as tuna and tuna-like species i.e. yellow fin, skipjack, marlin, Spanish mackerel, caranx sp., crevalle and other migratory fishes. Its fishing operation is very economical and not fuel-consuming. It is a passive and seasonal gear due to the effect of monsoon wind. Likewise, the net could be removed at sea during unfavorable weather condition especially during typhoon months.This gear is set in the strategic coastal areas, which are considered migration paths of pelagic fishes. They are set in coves and in bays preferably in areas where there are moderate currents and observed as feeding ground of migrating species. It could be set from 20 to 45 meters deep. The life span of the fishing materials will last for 5 to 7 years.The environment to support set net (Lambaklad) is unique not only in the Philippines and Japan, where it originated but must also be available all over the world. Hence, there is no reason that the technical transfer fo r  Lam baklad fishery is doubtful in o th er countries. Since set net fishing mainly depends on environmental factors, the technology is applicable in waters wherever the situation is favorable to develop in many parts of coastal waters over the world.■ ADVANTAGES OF A LAMBAKLADLambaklad have some advantages compared to other types of fishing gear. The following are the advantages:1. Passive type of gear : the gear is stationary and is anchored at the bottom. It is a “wait and see” type of fishery operated to catch only incoming fishes.2. Good Quality of Catch : can be preserved in the net for a number of days waiting for good market price as being alive and fresh and near to the market.3. Durable life of materials : increased life span of the gear due to the advent of synthetic materials from jute.4. Seedlings for Aquaculture : fishes caught alive could be reared in tanks, cages and ponds e.g. yellow tail, red sesa bream, etc. for marine fish cultivation.72 Enhancing Coastal Resources: Artificial Reefs Stationary Fishing Gear Design and Construction and Marine Protected Areas5. Shorter Working Time : fishermen can attend to other businesses after 2-3 hours of hauling in a day and with the mechanization of the boat, the working time and labor cost is reduced.6. Less Fuel Consumption : as compared to trawl and other types of fishing gear, fishermen do not go too far from shore to scout a school of fish.7. Preserves the Marine Resources : being a selective and passive gear, it can only fish coming to it with much less possibility of overfishing.■  AREAS OF OPERATIONFig. 1 Status of Operational Lambaklad Projects in the PhilippinesThere are fifty-four (58) lambaklad units presently operating in all regions (Figure 1) of the Philippines. It is broken down of as follows: Antique 19 units; Aklan 17 units; Camarines Province 2 units; Ilocos Province 7 units; Leyte - units; Mindoro - units and Zambales 7 units.■  ON-GOING LAMBAKLAD CONSTRUCTIONFig. 2 Regional Distribution of Lambaklad on-going ConstructionFigure 2 shows that in a total of ten that are on-going construction, three are done at Regions 1 and 6, two are at Region 5 and one each for Regions 4 and 5. It is expected that this number of Lambaklad undergoing construction will grow due to enormous requests from different Regional Offices nationwide for Lambaklad Project.■  AREAS SURVEYED/PROPOSED SITESFig. 3 Lambaklad Data on surveyed Sites and Surveyed Feasible AreasFigure 3 shows the data on the regional distribution of Proposed Projects and the actual Surveyed Feasible Areas in the Philippine. Furthermore, it shows that among the proposed seven (7) projects at Region 1, ten (10) areas were found out to be feasible while one (1) proposed project at region 2 and 2 sites were found out to be feasible.It is interesting to note that no project was proposed in regions IV and VI but were found out to have eight (8) and five (5) surveyed feasible areas respectively.To date, there are eleven (11) proposed projects while 35 areas in the Philippines were found out feasible.■  IMPORTANCE/BENEFITSEconomic BenefitsThe implementation of the project will introduce a community-based livelihood program, the direct beneficiaries of which are the residents of the area. The lambaklad net fishing will provide regular source of extraCP 05 |  73income and additional em ployment opportunities to the fisherfolks. Better quality of local fish supply will increase with lesser lives’ risk considering that it is a coastal type of fishing. Increase trade with other communities and other economic activities will generate more revenue to the community and the government.Social BenefitsCooperative participation in the conceptualization of the project is recognized and highly encouraged. Dialogue is conducted with the representative from the cooperative with the local residents to final solution of the proposed project site. It is also through this dialogue that the fishermen encourage to a cooperative to push with the project.Fisherfolks/Cooperative and Fishermen Association are integrated of the project. Their direct and active participation in the project is imperative to insure availability as envisioned that through direct technology transfer and management training fisherfolks cooperators, the project will be replicated in the future.As development effect, the quality of life of the fisherfolk organization will improve. Being a community-based project, their involvement and participation in the cooperative effort will be heightened. The cooperative will thus be strengthened. Its capability will be increased and more services will be rendered for more community development endeavors.Environment AspectThe introduction of a new, efficient and environment-friendly fishing method shall boost production and will eventually provide an alternative measure against illegal and highly destructive fishing methods such as dynamite and cyanide poisoning. The set net (lambaklad) being stationary will serve as buffer or fence against incursion of largecommercial fishing vessels in the municipal waters. The fisherfolks cooperators will naturally act as protectors in the nearby vicinity of the project so as to ensure viability and sustainability of their livelihood. Marine resources will be protected and will be regenerated. The gear also helps in conserving fishes thus serving as sanctuary for small and juvenile species.74 Enhancing Coastal Resources: Art ificial Reefs Stationary Fishing Gear Design and Construction and Marine Protected Areas■  INVESTMENT/INCOMEInvestments (Depth: 25 meters)A. Materials and Equipments/Labor P 1,280,437.90- one set of otoshi-ami (complete) 812,798.00- two units of woodenhauling boat 80,000.00- two units service boat (outriggered) 100,000.00- two units of steel buoy (rectangular) 80,000.00- one unit Fishermen Quarter 60,000.00B. Labor- Hiring of 18 skilled net menders atP 170.00/day for 30 days construction 91,000.00- Hiring of technical supervisor in theSurvey site, gear designing and Constructionand installation 5% 56,639.90C. Operating Expenses P 280,559.60- Fuel and Lube-oil 10,000.00- Repair and maintenance 15,000.00- Municipal Permit 15,000.00- Annual depreciation 226,559.60- Fish Handling 14,000.00D. Estimated Gross Income (8 months) P 1,260,000.00- Average catch/day 100 kgs. At P60.00/kg. For 210 days (fishing operation)E. Estimated Net Income P 979,440.40- 65% institutional share 636,636.26- 35% Fishermen share 342,804.14F. Return of InvestmentCP 05 |  75■  EXPERIENCES FROM OTHER AREASFig 4. Over all evaluation on Lambaklad Operators in 1995Figure 4 shows the over-all evaluation on Lambaklad Operators in 1995. It was found out that 80% of the total installed projects were gaining and expanding, 15% are mismanaged and 5% are damaged by natural calamities. As a recent development, Lambaklad units can now be installed facing an open sea such as South China Sea as experience in the Ilocos Region and Zambales Coast.Through the monitoring of BFAR with regards to the operation and production of lambaklad projects thus having an average yield of 200 kgs. per day. In other observation, payback period takes five (5) months of operation, having a maximum production of 25 tons per day in Antique; 14 tons/day in Zambales; 13 tons/day in Aklan; 6 tons/day in Vigan. For an over-all evaluation in 1995 on Lambaklad operators.■  RECOMMENDATIONS1. Technology transfer on this field of Fishing Industry must be encourage and intensified.2. Continuous dissem ination of information and educate the lambaklad beneficiaries.3. Scientific studies should be conducted in future developm ent of the Lambaklad fishery industry.4. The optimistic materialization of proportionately large capital for Lambakladinvestment will stimulate new projects by investors to boost the Lambaklad fishing business. Therefore, it is strongly recommended that soft expanded loans be liberalized. Flexible loan programs should be sustained by the government to go hand in hand with technology and ecological policies.76 Enhancing Coastal Resources: Artificial Reefs Stationary Fishing Gear Design and Construction and Marine Protected AreasTable 1. Criteria applied to decide dimensions of various positions of Set net.FIG. POSITIONS CRITERIA TO DECIDE DIMENSIONSA Front entrance width 1.0 ~ 2.0 (1.5 in average) x water depth, W.B Back entrance width 0 ~ 100% (50 ~ 60% in average) of the front entrance width, A, or may have no back entrance.C Buffer stop panel Its length is equivalent to a sum of the widths of front entrance, A and back entrance, B.D Entrance flap length 30 ~ 40% (1/3 in average) of breadth of net, H.EEntrance flap opening (width between off- shore ends of entrance flaps)70~85 of the entrance width, A+B.F Playground side panel The length is 0.8~1.8 (0.9 in average) x W.G End stopper panel of playground The length is 0.6~1.3 (0.8 in average) x W.H Breadth of net 0.9~2.2 (1.5 in average) x W, being narrow in a deep fishing ground and broad, in shallowIWaist of net (intermediate breadth at the end of panel of box chamber)0.6~1.4 (1.0 in average) x WJ Outer slope funnel The length is 1.2 ~ 1.9 (1.5 in average of 20 degrees)KIncline of outer slope funnel (angle between funnel floor and seabed)12~25 degrees with an average of 20 degrees.LHauling section (width of slope funnel at end panel of box chamber)The width is 0.6~0.8 the waist of net, I, basically.M Inner slope funnelThe length is 0.8 x width between outer slope funnel ends, L, or 1/3 of the length of box trap chamberN Height of slope funnel floor at the waist. 0.3~0.7 (0.5 in average) x WO Distance between base floats and end stopper panel0.5 x W basically or relatively constant to be 20~30 m.P Box ChamberThe length is 1.1~3.3 (2.0 in average) x W. It could be as long as 3.0 x W in strong current fishing ground.Q Bunt end The length is the same as that of the net hauling boat.CP 05 | 77F ig u re  5 )  N am es o f th e  P arts  o f S e t N e t, O to s h i- A m i78 Enhancing Coastal Resources: Artificial Reefs Stationary Fishing Gear Design and Construction and Marine Protected AreasESTIMATED BILL OF MATERIALS FOR 30 METERS DEEP SET NET1. Nettings: (200 MD x 100 m B/R PA)DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL210/36 X 11 K Bale 1 30,763.20 30,763.20210/ 36 X 7 K Bales 6 24,629.80 147,778.80210/36 X  5 K Bales 7 29,770.00 208,390.00210/36 X  4 K Bales 5210/ 45 X  3 K Bales 4 28,431.00 113,724.00210/45 X  2 K Bales 4 29,770.00 119,080.00SUB- TOTAL 619,736.002. Ropes (medium Laid, PP) 220 metersDESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL40 mm rolls 2 13,260.00 26,520.0030 mm rolls 3 10,774.00 32,322.0024 mm rolls 18 5,024.00 90,432.0018 mm rolls 10 3,465.00 34,650.0014 mm rolls 12 1,787.50 21,450.007 mm rolls 80 487.00 38,960.00SUB- TOTAL 244,334.003. Knitting Twine (PA br)DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL210/36 spools 50 123.50 6,175.00210/42 spools 30 123.50 3,705.00210/45 spools 20 123.50 2,470.00SUB- TOTAL 12,350.004. Floats and SinkersDESCRIPTION UNIT QUANTITY UNIT PRICE TOTALY- 80 pcs. 70 117.00 8,190.00Y- 30 pcs. 150 53.00 7,950.00Plastic Floats 15" dia pcs. 150 715.00 107,250.00#8 pb (50 kgs. / box) box 8 1,885.00 15,080.00Stone/ Boulders tons 80SUB- TOTAL 138,470.005. AccessoriesFlatboat24' x 4' x 2' unit 2 32,500.00 65,000.00Main Buoy8' x 4' x 2' unit 2 30,000.00 60,000.00Pump Boat unit 1 100,000.00 100,000.0016 HP Engine 1 65,000.00 65,000.00Fishermen's Quarter unit 1 60,000.00 60,000.00SUB- TOTAL 350,000.00Labor Cost: 30 % of the Materials and Equipments 374253.06Allowance for Contingencies: 10 % 124751.02CP 05 |  79ESTIMATED BILL OF MATERIALS FOR 35 METERS DEEP SET NET1. Nettings: (200 MD x 100 m B/R PA)DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL210/36 X 11 K Bale 1 30,763.20 30,763.20210/ 3 6 X  7 K Bales 5 24,629.80 123,149.00210/ 36X5 K Bales 7 29,770.00 208,390.00210/45 X  3 K Bales 7 28,431.00 199,017.00210/45 X  2  K Bales 4 29,770.00 119,080.00SUB- TOTAL 680,399.202. Ropes (medium Laid, PP) 220 metersDESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL40 mm rolls 1 13,260.00 13,260.0036 mm rolls 3 10,774.00 32,322.0024 mm roils 16 5,024.00 80,384.0014 mm rolls 12 1,787.50 21,450.007 mm rolls 60 487.00 29,220.004 mm rolls 20 280.00 5,600.00SUB- TOTAL 182,236.003. Knitting Twine (PA br)DESCRIPTION UNIT QUANTITY UNIT PRICE TOTAL210/36 spools 50 123.50 6,175.00210/45 spools 30 123.50 3,705.00SUB- TOTAL 9,880.004. FloatsDESCRIPTION UNIT QUANTITY UNIT PRICE TOTALY- 80 pcs. 70 117.00 8,190.00Y- 30 pcs. 130 53.00 6,890.00Synthetic Float pcs. 130 715.00 92,950.00#8 pb (50 kgs. / box) box 9 1,885.00 16,965.00SUB- TOTAL 124,995.005. AccessoriesFlatboat24' x 4' x 2' unit 2 32,500.00 65,000.00Main Buoy8' x 4' x 2' unit 2 30,000.00 60,000.00One unit Pump Boat16 HP Engine 1 65,000.00 65,000.00Fishermen's Quarter unit 1 60,000.00 60,000.00SUB- TOTAL 250,000.00Labor Cost: 30 % of the Materials and Equipments 374253.06Allowance for Contingencies: 10 % 124751.02GRAND TOTAL 1,746,514.28

Set Net Fishery (Lambaklad)

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Set net fishery (Lambaklad)

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