▁al - Bal ah ▁in ▁ 2 0 0 3 . ▁In ▁addition ▁to ▁being ▁a ▁local ▁del ic acy , ▁date ▁cultiv ation ▁constit utes ▁one ▁of ▁the ▁principal ▁sources ▁of ▁income ▁for ▁many ▁of ▁De ir ▁al - Bal ah ' s ▁residents . ▁The ▁particular ▁type ▁of ▁date ▁that ▁is ▁cultiv ated ▁in ▁the ▁area ▁is ▁known ▁as ▁" H ay ani ." ▁It ▁has ▁a ▁distinct ly ▁red ▁color . ▁Other ▁leading ▁agricult ural ▁products ▁cultiv ated ▁in ▁De ir ▁al - Bal ah ▁include ▁cit rus , ▁al mond s , ▁pom eg ran ates ▁and ▁g rap es . ▁ ▁The ▁city ▁has ▁a ▁small ▁fish ing ▁industry ▁and ▁is ▁the ▁site ▁of ▁one ▁of ▁four ▁wh ar fs ▁in ▁the ▁Gaz a ▁St rip . ▁In ▁ 2 0 0 7 ▁there ▁were ▁about ▁ 7 6 ▁active ▁fish ing ▁vessels ▁employed ▁by ▁ 5 5 0 ▁fish erm en . ▁From ▁ 2 0 0 0 ▁to ▁ 2 0 0 6 , ▁during ▁the ▁Second ▁Int if ada , ▁income ▁from ▁fish ing ▁was ▁hal ved . ▁In ▁order ▁to ▁alle vi ate ▁losses ▁resulting ▁from ▁a ▁ ▁fish ing ▁limit ▁off ▁the ▁coast ▁im posed ▁by ▁the ▁Isra eli ▁Navy ▁following ▁Ham as ' s ▁victory ▁in ▁the ▁ 2 0 0 6 ▁parliament ary ▁elections , ▁the ▁Palest in ian ▁Author ity ▁Department ▁of ▁Fish eries ▁has ▁sought ▁to ▁construct ▁eight ▁artificial ▁re ef s ▁in ▁both ▁De ir ▁al - Bal