Table 1
FISHERIES IN PDRY, LANDINGS IN TONS
ACCORDING TO FAO
| Species | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | |
| Freshwater fish | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Snapper | Lutjanus sp. | 1 200 | 900 | 900 | 875 | 875 | 875 | - | - |
| Threadfin, Bream | Nemipterus sp. | 2 100 | 500 | 500 | 201 | 201 | 201 | - | - |
| Percoids | Percoidei | 100 | 0 | 0 | 118 | 118 | 118 | - | - |
| Barracuda | Sphyraena sp. | 100 | 0 | 0 | 20 | 20 | 20 | - | - |
| Indian oil sardine | Sardinella longiceps | 88 900 | 90 100 | 90 100 | 87 070 | 87 070 | 87 070 | - | - |
| Anchovies | Engraulidae | - | - | - | 9 394 | 9 394 | 9 394 | - | - |
| King mackerel | Scomberomerus commerson | 1 400 | 1 400 | 1 400 | 1 778 | 1 778 | 1 778 | - | - |
| Longtail tuna | Thunnus tonggol | 500 | 600 | 600 | 1 189 | 1 189 | 1 189 | - | - |
| Yellowfin tuna | Thunnus albacares | 6 900 | 7 400 | 7 400 | 7 391 | 7 391 | 7 391 | - | - |
| Tuna-like fish | - | - | - | - | 971 | 971 | 971 | - | - |
| Indian mackerel | Rastrelliger | 2 000 | 1 600 | 1 600 | 11 376 | 11 376 | 11 376 | - | - |
| Various sharks | - | 1 600 | 1 800 | 1 800 | 952 | 952 | 952 | - | - |
| Other marine fish | - | 7 800 | 7 500 | 7 500 | 1 953 | 1 953 | 1 953 | - | - |
| Spiny lobster | Panuliris sp. | 400 | 2 300 | 2 300 | - | - | - | - | - |
| Shrimps/prawns | - | 1 500 | 4 000 | 4 000 | 4 019 | 4 019 | 4 019 | - | - |
| Cuttlefish | Sepia sp. | 4 500 | 7 000 | 7 000 | - | - | - | - | - |
| Marine turtles | Sepiola sp. | - | - | - | - | - | - | - | - |
| Total | 119000 | 115 000 | 125 000 | 127 000 | 127 000 | 127 000 | 161 800 | 133 000 |
Table 2
FISH CLASSES AND PRICES IN PDRY IN 1979
| Group V:125 F/kg | Group IV:140 F/kg | Group III:225 F/kg | Group II:270 F/kg | Group I:300 F/kg |
| Milkfish | Barracudas | Skipjack tuna | Black runner | |
| Horse mackerel | Indian mackerel | Trevally | Kingfish | |
| Indian mackerel | Sole | Jackfish | Yellowfin tuna | |
| Sardines | Half beak | Snapper | Golden trevally | Tunas |
| Silver belly | Batfish | Moon fish | Mullet | |
| Queen fish | Marlin. spearfish | Queen fish | Bultsoye | |
| Scavenger/bream | ||||
| Snapper | ||||
| Grunter | ||||
| Rock cod | ||||
| Bream | ||||
| Swordfish | ||||
| Yellowtail | ||||
| Small dog shark | ||||
| Sunfish/redbream | ||||
| Barracuda |
Note: F(fils) = 0.001 Dinar
0.343 Dinar = US$ 1.00
Table 3
ENVIRONMENT INVESTIGATIONS ALONG THE COAST OF PDRY (NICHIRO GYOGYO Ltd.,
1977)
| Date 1977 | Location | Water temperature °C | Specific gravity |
| 27 August | Research Centre Aden | 31.5 | 1.024 |
| 27 August | Fuqum | 31.5 | 1.024 |
| 30 August | Siran/Khormaksar | 31.5 | 1.024 |
| 31 August | Smuran | 31.5 | 1.0245 |
| 1 September | Fuqum | 32.0 | 1.024 |
| 4 September | Gold Mohar | 28.0 | 1.025 |
| 11 September | Hatsan | 36.0 | 1.030+ |
| 12 September | Little Aden | 36.0 | 1.024 |
| 13 September | Little Aden | 31.0 | 1.0245 |
| 19 September | Shihir, Hami, Sharm | 32.0 | 1.023 |
| 20 September | Dabdab, Dabba, Shuhair | 30.5 | 1.030+ |
| 22 September | Filez, Rukait | 32–34 | 1.030+ |
| 26 September | Little Aden | 32.5 | 1.023 |
| 27 September | Khormaksar | 32.5 | 1.030 |
Table 4
PRELIMINARY SITE SELECTION IN PDRY; CHARACTERISTICS
| WEST | EAST |
| Name | Khor Omera | Imran - Azizi Island | Fuqum | Persian ponds | Little Aden lagoon | Khormaksar | Um Bikha (Ouadi) | Rukub-Buish |
| Type: general description | Small closed bay resulting from sand deposit mouth to the west | (1) Small open bay with beach where turtles come to spawn. (2) Small lagoon | Open Bay | (1) Old fish and shrimp preserve (broken gates). (2) Salt pans | Lagoon-type water, one mouth with Aden Bay | Created by land reclamation.Same as fish preserve | Deep bed of river filled either with sea or fresh water | Small lagoons behind sand hill. Bed of river during “rains” |
| Surface | Unknown 30–50 km2 (?) | (1) Unlimited (2) No estimation | Unlimited | (1) 3×20 ha (?) (2) x × ha | Unknown | (50–70 ha?) | Wet surf.:10 ha(?) Tot.surf.: 20 ha(?) | Rukub:10~15ha Buish:30~50ha |
| Average depths | 0 - 6-7 m | Shallow at low tide (50–80 cm) | - | (1) 1–1.3m at high tide (2) 50–60cm at high tide | ? | 0.5–1m | 0–25m | Rukub: 0.5–1m Buish:0.5–2m |
| Bottom quality | sand and macrophytes | Sand | - | (1) Sand and mud (2) Sand-mud with salt deposits | Sand to mud | Sand to mud | Sand to mud | Sand, mud, rock |
| Water quality | Temp.salinity: ? no pullution | Temp.sal. ? no pollution | - | (1) Unknown (2) Empty | Unknown | Unknown | Over salty from April to Sept. Brackish during rainfall | Same as Um Bikha |
| Population | Khor Omera fishing village | Fishing village of Imran | - | Little Aden Aden (25 km) | Same as Persian ponds | Very close to Aden and airport | Mukalla:10 km Fouad:4km | Rukub fishing village Mukalla |
| Facilities | Freshwater (drinking) No electricity Very bad road No trained personnel | Cold storage (generator) Freshwater (drinking) No electricity Very bad road Interested fishermen Lack of technical background | - | Possibility of freshwater Possibility of electricity 1 km of very bad road Possibility to use personnel from Aden | Same as Persian ponds | Same as Persian ponds, but direct access by main road | No fresh-water No electricity Good access by road No trained personnel | Possibility of freshwater (drinking) No electricity 1 km of bad road No trained personnel |
| Possible culture species | Turtles (net enclosure) Fishes (cage-net) | Turtles (pond) Fishes (pond) | - | Shrimps (Penaeids) Fishes (mullets,etc.) | Valliculture or similar | Shrimp cult, Fishes (mullets) | Shrimps (ponds) Fishes (ponds) | Shrimps (ponds) Fishes (ponds) |
| level of investment required | Reasonable | High | - | Reasonable | Reasonable to medium | Seasonable to medium | High to medium | High |
| Priority rank | 2 | 3 | No | 1 | 2 | 2 | 1 | 3 |
Table 5
ESTIMATED COST OF IMMEDIATE WORK PROGRAMME (US$)
(UNDERLINED COSTS REFER TO DONOR)
| 4.11 (Juveniles surveys) | 4.1.2. (Physico-chemical surveys). | 4.1.3. (National mariculture survey). | 4.1.4 (Detailed site survey) | 4.1.5 (Documentation Center maric) | |||||||||||
| type of personnel | time | Cost | type of personnel | time | cost | type of personnel | time | cost | type of personnel | time | cost | type of personnel | time | cost. | |
| Personnel | Senior | 3mm. | Senior | 1mm. | senior | 0.5mm | senior | 4mm. | |||||||
| junior | 3mm. | junior | 3mm. | (junior) | 2mm | Junior | 4mm | secretary. | 12mm | ||||||
| fisherman | 3mm. | fisherman | 2mm | fisherman | 2mm | fisherman | 4mm | ||||||||
| driver | 3mm. | driver | 3mm. | driver | 2mm | driver | 4mm | ||||||||
| FAO consultant | 1mm. | 5000 | FAO Consultant | 2min | 10 000 | ||||||||||
| Equipment | transportation | 3 000 | road-water transportation | ||||||||||||
| fishing equipment | 6 000 | 2 tide poles | 200 | topographical set | 1600 | Laboratory: complementary | |||||||||
| isotherm container | 3 000 | tharmometers | 100 | piysico-chemical set | 4000 | physico-chemical equipment | 20 000 | documentation | 6000 | ||||||
| thermographs | 1000 | fishing equipment | 1 000 | ||||||||||||
| refractometer ( z) | 400 | biological equipment | 4000 | ||||||||||||
| Oxymeter(sal) (1) | 1000 | ||||||||||||||
| facilities. building | field work building (Little Aden) | 10 000 | |||||||||||||
| Operation cost | Nichiro Gyogyo vessels | transportation | 1000 | transportation | 1500 | transportation. | 1 000 | ||||||||
| National Research vessels | 10 000 | chemicals | 1000 | chemicals | 500 | ||||||||||
| Subtotal. | • | • | |||||||||||||
| • | 27 000 | • | 2700 | 22100 | 20 000 | 6 000 | |||||||||
| Grand total. | • | ||||||||||||||
| • | 77800 | ||||||||||||||
Table 6
ESTIMATION OF THE PDRY CONTRIBUTION IN KIND FOR THE FEASIBILITY PROJECT
| Land | |||
| Buildings | |||
| Personnel: | 3 aquaculturists | 36 m/m | |
| 1 feed technologist | 6 m/m | ||
| 2 technicians | 24 m/m | ||
| 4 labourers/fishermen | 48 m/m | ||
| 2 watchmen | 24 m/m | ||
| Equipment | |||
| Supplies | |||
| Miscellaneous |
Table 7
ESTIMATED COST FOR THE DONOR FOR THE FEASIBILITY PROJECT
| US$ | ||||
| Facilities (ponds) | 100 000 | |||
| Personnel: | 1 | aquaculturist | 12 m/m | 60 000 |
| consultants | 12 m/m | 60 000 | ||
| Equipment: | pickup truck | 8 000 | ||
| speed-boat engine | 2 000 | |||
| water analysis | 9 000 | |||
| meteorological kit | 1 000 | |||
| fish transport | 5 000 | |||
| feed equipment | 8 000 | |||
| biological research | 10 000 | |||
| miscellaneous | 1 000 | |||
| Total equipment | 44 000 | |||
| Training | 5 000 | |||
| Follow-up evaluation | 2 000 | |||
| Total | US$ 271 000 | |||
Fig. 1 - Aden Area: places of interest to mariculture
Fig. 2.1. Persian Ponds
Fig. 2.2. Khormaksar ponds.
Fig. 2 - Mariculture sites in Aden Bay
Fig. 3 - Buish and Rukub lagoons (Mukalla)
Fig. 4 - Um Bikha (Mukalla)
