>>> this arbor day, a reminder that dead trees in north texas are still a serious problem. last year across the state, the massive drought killed between 100 million and 500 million trees and that doesn't include the 1.5 million killed in last year's wild fires. now dozens more are dead near lake arlington and news 8's jim douglas is live to show us why. jim. >> all these trees marked with yellow caution tape, about 30 of them in all, they are not just dead, they are dangerous, because they could fall down. they have to come out to protect the people who use the park. >> they had a big limb break out of here. >> arlington city arborist doesn't like what he sees at the park. >> so far, this is the worst that i've seen. >> everywhere you look, yellow caution tape marking big post oaks for removal. finishing what nature started last summer. >> it's definitely all drought related. >> even many trees that look healthy will still die from disease and insects because of the drought. >> increase the population, which is an insect and they bore in and they attack the growing part of the tree and kill it. >> he has no estimate for the number of trees lost to the drought, but says arlington can't afford to replace them all. the city is expected to announce a plan next week to help tornado victims who also lost a lot of mature trees. also, the city with volunteers from
uta planted 100 new trees just last weekend to round the pond outside rangers ball park. but days could be numbered for 40 to 50-year-old oak trees trying to hang on. >> even though they look healthy over there, ey may be in a state of decline already. >> the arborist says it could take three years or more for trees damaged by the drought to actually succumb to it. those who think our trees dodged the bullet, we might not be out of the woods yet. live in arlington, jim douglas, channel 8 news.