In the United States, it had been common practice since the late 1960s no to suppress natural forest fires. The “let it burn” policy assumed that forest fire would burn themselves out quickly, without causing much damage. However, in the summer of 1988, forest fires in Yellowstone, the most famous national park in the country, burned for more than two months and spread over a huge area, encompassing more than 800,000 acres. Because of the large scale of the damage, many people called for replacing the “let it burn” policy with a policy of extinguishing forest fires as soon as they appeared. Three kinds of damage caused by the “let it burn” policy were emphasized by critics of the policy.
First, Yellowstone fires caused tremendous damage to the park’s trees and other vegetation. When the fires finally died out, nearly one third of Yellowstone’s land had been scorched. Trees were charred and blackened from flames and smoke. Smaller plants were entirely incinerated. What had been a national treasure now seemed like a devastated wasteland.
Second, the park wildlife was affected as well. Large animals like deer and elk were seen fleeing the fire. Many smaller species were probably unable to escape. There was also concern that the destruction of habitats and the disruption of food chains would make it impossible for the animals that survived the fire to return.
Third, the fires compromised the value of the park as a tourist attraction, which in turn had negative consequences for the local economy. With several thousand acres of the park engulfed in flames, the tourist season was cut short, and a large number of visitors decided to stay away. Of course, local businesses that depended on park visitors suffered as a result.
Both the reading and listening materials discuss the "let it burn" policy. The reading, to be more specific, claims that this policy has caused several damages. On the contrary, the professor holds a different idea and states that the policy also brought about multiple advantages after the fire.
The reading begins by stating that the fires destroyed various trees in the park along with other sorts of vegetation. This is challenged by the lecturer, who feels strong that the fires have created a good opportunity for many plants species to thrive. He further explains that the scorched land created more space for other species and some seeds need to be exposed to the great heat provided by fires to develop.
The reading then points out that the wildlife in the park was also affected.The professor, in contrast, asserts that the fires did not interfere with the food chain or the destruction of habitats. He supports his idea by discussing the ideal habitats created for many species such as rabbits and heirs after the fires, and those animals become the targets for predators; hence maintaining the quality of the food chains.
The reading finishes by arguing that the policy to let fires burn had negative toll on the local economy. The lecturer refutes this, claiming that the burning did not happen regularly, in fact it has not happened in Yellowstones ever since 1988. Indeed, the visitors soon came back to Yellowstones to enjoy its scenery; thus it did not cut down on the tourist season nor the number of annual vistors.
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Grammar and spelling errors:
Line 5, column 77, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: The
... wildlife in the park was also affected.The professor, in contrast, asserts that th...
^^^
Discourse Markers used:
['also', 'hence', 'if', 'so', 'then', 'thus', 'in contrast', 'in fact', 'such as', 'on the contrary']
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance in Part of Speech:
Nouns: 0.242214532872 0.261695866417 93% => OK
Verbs: 0.176470588235 0.158904122519 111% => OK
Adjectives: 0.0692041522491 0.0723426182421 96% => OK
Adverbs: 0.0588235294118 0.0435111971325 135% => OK
Pronouns: 0.0242214532872 0.0277247811725 87% => OK
Prepositions: 0.128027681661 0.128828473217 99% => OK
Participles: 0.0449826989619 0.0370669169778 121% => OK
Conjunctions: 2.47614357061 2.5805825403 96% => OK
Infinitives: 0.0276816608997 0.0208969081088 132% => OK
Particles: 0.00692041522491 0.00154638098197 448% => OK
Determiners: 0.141868512111 0.128158765124 111% => OK
Modal_auxiliary: 0.0 0.0158828679856 0% => OK
WH_determiners: 0.00346020761246 0.0114777025283 30% => OK
Vocabulary words and sentences:
No of characters: 1553.0 1645.83664459 94% => OK
No of words: 260.0 271.125827815 96% => OK
Chars per words: 5.97307692308 6.08160592843 98% => OK
Fourth root words length: 4.01553427287 4.04852973271 99% => OK
words length more than 5 chars: 0.35 0.374372842146 93% => OK
words length more than 6 chars: 0.288461538462 0.287516216867 100% => OK
words length more than 7 chars: 0.173076923077 0.187439937562 92% => OK
words length more than 8 chars: 0.1 0.113142543107 88% => OK
Word Length SD: 2.47614357061 2.5805825403 96% => OK
Unique words: 158.0 145.348785872 109% => OK
Unique words percentage: 0.607692307692 0.539623497131 113% => OK
Word variations: 64.820521509 53.8517498576 120% => OK
How many sentences: 11.0 13.0529801325 84% => OK
Sentence length: 23.6363636364 21.7502111507 109% => OK
Sentence length SD: 41.1104137136 49.3711431718 83% => OK
Chars per sentence: 141.181818182 132.220823453 107% => OK
Words per sentence: 23.6363636364 21.7502111507 109% => OK
Discourse Markers: 0.909090909091 0.878197800319 104% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 1.0 3.39072847682 29% => OK
Readability: 52.4825174825 50.5018328374 104% => OK
Elegance: 1.6 1.90840788429 84% => OK
Coherence and Cohesion:
Essay topic to essay body coherence: 0.459024360292 0.549887131256 83% => OK
Sentence sentence coherence: 0.136213540467 0.142949733639 95% => OK
Sentence sentence coherence SD: 0.0526442522172 0.0787303798458 67% => OK
Sentence paragraph coherence: 0.694284543591 0.631733273073 110% => OK
Sentence paragraph coherence SD: 0.0859266120345 0.139662658121 62% => OK
Sentence topic coherence: 0.245394949507 0.266732575781 92% => OK
Sentence topic coherence SD: 0.0762511457271 0.103435571967 74% => OK
Paragraph paragraph coherence: 0.453863527068 0.414875509568 109% => OK
Paragraph paragraph coherence SD: 0.0606695440934 0.0530846634433 114% => OK
Paragraph topic coherence: 0.341982117993 0.40443939384 85% => OK
Paragraph topic coherence SD: 0.0460034659355 0.0528353158467 87% => OK
Task Achievement:
Sentences with positive sentiment : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 4.0 4.45695364238 90% => OK
Sentences with neutral sentiment: 2.0 4.26048565121 47% => OK
Positive topic words: 4.0 3.49668874172 114% => OK
Negative topic words: 3.0 3.62251655629 83% => OK
Neutral topic words: 2.0 3.1766004415 63% => OK
Total topic words: 9.0 10.2958057395 87% => OK
What are sentences with positive/Negative/neutral sentiment?
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Rates: 66.6666666667 out of 100
Scores by essay e-grader: 20.0 Out of 30
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Note: This is not the final score. The e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.