Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Mesa Verde National Park' has mentioned 'Plant' in the following places:
Occurrence Sentence Text Source
Their early attempts at plant domestication eventually developed into the sustained agriculture that marked the end of the Archaic period, c.
In addition to the fine basketry for which they were named, Basketmaker II people fashioned a variety of household items from plant and animal materials, including sandals, robes, pouches, mats, and blankets.
Population increases also led to expanded tree felling that reduced habitat for many wild plant and animal species that the Mesa Verdeans had relied on, further deepening their dependency on domesticated crops that were susceptible to drought-related failure.
According to the United States Department of Agriculture, the Plant Hardiness zone at Mesa Verde National Park Headquarters at 6952xc2xa0ft (2119 m) elevation is 6b with an average annual extreme minimum temperature of xe2x88x920.1xc2xa0xc2xb0F (xe2x88x9217.8xc2xa0xc2xb0C).
The introduction of non-native invasive plant species has become a major problem.
Sustaining the Outstanding Universal Value of the property over time will require protecting resources from erosion and other damage caused by wildland fires and other effects of climate change; managing invasive plant species that harm or may harm cultural resources; and ensuring that any development adjacent to the property does not have a negative impact on the propertyxe2x80x99s value, authenticity and integrity.