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Investigation of Ecological Relationships among Some Economical Species in the Oman Sea Using Ecopath Model

Investigation of Ecological Relationships among Some Economical Species in the Oman Sea Using Ecopath Model

Mastooreh Doustdar1*, Seyed Ahmed Reza Hashemi2, Asadullah Ali Muhammad3 and Maryam Forouzad1

1Iranain fisheries Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO). Tehran, Iran; 2Offshore Fisheries Research Centre, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization, Chabahar, Iran; 3Fisheries and Coastal Development Department Government of Balochistan, Pakistan.

 
*Correspondence | Mastooreh Doustdar, Iranian Fisheries Science Research Institute, AREEO, Tehran, Iran; Email: [email protected] 

Figure 1:

Map of sampled stations in the Oman Sea.

Figure 2:

Ecopath software for study of nutritional relationships in the samples.

Figure 3:

Interactions index of on trophic levels of the species studied in the Oman Sea.

Table 1:

The rates of ecological efficiency and food consumed for the species studied.

Table 2:

Estimation of trophic level of the species studied using Ecopath software.

Table 3:

Overlap index between predator and prey groups in the Oman sea.

Table 4:

The rate of selectivity index for the species studied in the Oman sea waters.

Table 6:

The role of ecological groups in the food web among the species studied in the Oman sea waters.

Equation 1
Equation 2
Table 5:

Omnivorous index of the species studied in the Oman sea waters.

Figure 4:

Mutualistic relationships among species studied in the Oman Sea waters.

Pakistan Journal of Zoology

November

Pakistan J. Zool., Vol. 56

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