You might think that increasing the resources available would elevate the number of plant speciesthat an area could support, but the evidence suggests otherwise. the data in the accompanyingtable are from the park grass experiment at rothamsted experimental station in the u. k., wheregrassland field plots have been fertilized annually for the past 150 years (collated by harpoleand tilman 2007). the number of plant species recorded in 10 plots is given in response to thenumber of different nutrients types added in the fertilizer treatment (nutrient types include nitrogen, phosphorus, potassium, and so number of nutrients added number of plant species1 0 362 0 363 0 324 1 345 2 336 3 307 1 208 3 239 4 2110 4 16what is the correlation between the number of nutrients added and the number of plant species?