Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Mesa Verde National Park' has mentioned 'Species' in the following places:
Occurrence Sentence Text Source
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.
Depending on the season, they collected pixc3xb1on nuts and juniper berries, weedy goosefoot, pigweed, purslane, tomatillo, tansy mustard, globe mallow, sunflower seeds, and yucca, as well as various species of grass and cacti.
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.