CREATE TABLE table_20138 ("Ecozone" TEXT, "Area  ( km\\u00b2 ) " FLOAT, "Percentage of total area" TEXT, "Percentage of land area" TEXT, "Percentage protected" TEXT)

What is the percentage of land area in the ecozone that the percentage protected is 7.96?
SELECT "Percentage of land area" FROM table_20138 WHERE "Percentage protected" = '7.96'
SELECT "Percentage of land area" FROM "table_20138" WHERE "Percentage protected" = '7.96'