Crossword Puzzle Lagoon area

Clue: Lagoon area

Lagooned area (ATOLL with 5 letters)
Area below a horse's neck (WITHERS with 7 letters)
Drainage area of the world's longest river (NILEBASIN with 9 letters)
Green areas in deserts (OASES with 5 letters)
Eastern Mediterranean area (LEVANT with 6 letters)
Ski area concern (AVALANCHE with 9 letters)
Areas near the hull (BILGES with 6 letters)
Abraded area (SCRAPE with 6 letters)
Urban areas (as hinted at by the circled letters in this puzzle's grid) (INNERCITIES with 11 letters)
Neck area (e.g. NAPE with 4 letters)