History of Portuguese wine much to spread viticulture and winemaking further north. Portuguese wines were first shipped to England in the 12th century from the Entre Douro e Minho region (which today includes modern Portuguese wine regions such as the douro and vinho verde). In 1386, Portugal and England signed the Treaty of Windsor which fostered close diplomatic relations between the two countries and opened the door for extensive trade opportunities. The 1703 Methuen Treaty furthered advanced English economic interest in Portugal by reducing tariffs and giving Portuguese wines preferential treatment in the British wine market over French wines. Around this time, the fortified
Wine Country (California) which are federally designated as threatened. Upland ecosystems drained include mixed California oak woodland, chaparral and savannah woodland. In these upland reaches one finds plentiful black-tailed deer, coyote, skunk, raccoon, opossum, wild turkey, turkey vulture, red-tailed hawk and occasionally bobcat and mountain lion. Prominent higher elevation trees include: Coast live oak, Garry oak, Pacific madrone, California buckeye, Douglas fir, whereas valley oak is prevalent on the Wine Country valley floors. The Wine Country has undergone a boom in tourism. In 1975 there were only 25 Napa Valley wineries; today there are well over 400 wineries in Napa and Sonoma Counties.