Sunday, August 4, 2019

Invasive plants Essay -- Native Plant Species, Environment

Since we are accustomed to a life full of modern conveniences, it is important to remember that human survival still depends on the planet's natural diversity. Pennsylvania has 25,000 species of plants and animals, with more than 2,100 being native (IConserve, 2007). It is critical to appreciate the sustainable use of these natural resources that influence our beautiful state’s economic health and quality of life of all Pennsylvanians. Yet many threats to our home’s biodiversity are present. One significant threat is invasive plant species that are eliminating native plant species. Invasive plants are plants which grow aggressively, spreading and displacing other plants (Ball, 2002). Whether it is intentional or not, they are often introduced by humans. On the other hand, native plants are pants that existed within Pennsylvania before European settlement. Because they are meant to grow here, they are quite beneficial to the environment as well as people (Fell 19 95). In order to preserve Pennsylvania’s health and natural beauty, it is essential to control the growth of invasive plant species while supporting the growth of native plant species. When Pennsylvania was first settled in the 1600’s by William Penn, abundant plants covered about 90% of the state (IConserve 2007). All of these plants are considered to be natives because they existed in the area before human settlement. Unfortunately, due to human interactions with nature, the landscape has changed significantly over time. Many plants that once defined Pennsylvania have been lost; however, this problem can be reversed to some extent. By 2000, five percent of Pennsylvania’s native plant species had been lost and another twenty-five percent were in danger o... ...s that are invasive and controlling or destroying any invasive species. These plants are adaptable and grow well under a wide range of conditions and therefore have a much better chance of thriving. It is also important to use fertilizers in moderation because high nitrogen often stimulates the aggressive growth of plants (Fell, 1995). Planning land management is also important. Weekly mowing is important for the maintenance of lawns and weeding is important for gardens. Pennsylvania’s meadows should be mowed annually and woodlands should be monitored for the need to remove invasive plant species (Ball, 2001). Unfortunately, invasive plants are causing problems not only in Pennsylvania, but all across the country (Invasive Plants: Silent Invaders, 2004). It is essential that efforts are made in order to keep this plant crisis from deteriorating further.

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