The abiotic factors in an ecosystem are all the nonliving elements (air, water, soil, temperature) while the biotic factors are all the living organisms in that ecosystem. In combination, these habitats serve as critical nursery grounds providing protection and feeding grounds for both resident and coastal species
Tide pools are diverse and volatile habitats. They are essentially mini ecosystems within a larger ecosystem. This study looked at six randomly chosen tide pools in the upper intertidal zone in Nahant, MA at Canoe Beach. It studied the abiotic factors of salinity and pH and its affect on littorina density in each tide pools. Data was taken over the course of two months for three days. The data was calculated using ANOVA. P-values were significant for both salinity and pH in some tide pools while insignificant in others. In general it was concluded that salinity and pH may have greater effects on littorina density in one tide pool over another due to other abiotic and biotic factors present within them.
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Answer:
The abiotic factors in an ecosystem are all the nonliving elements (air, water, soil, temperature) while the biotic factors are all the living organisms in that ecosystem. In combination, these habitats serve as critical nursery grounds providing protection and feeding grounds for both resident and coastal species
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Abstract
Tide pools are diverse and volatile habitats. They are essentially mini ecosystems within a larger ecosystem. This study looked at six randomly chosen tide pools in the upper intertidal zone in Nahant, MA at Canoe Beach. It studied the abiotic factors of salinity and pH and its affect on littorina density in each tide pools. Data was taken over the course of two months for three days. The data was calculated using ANOVA. P-values were significant for both salinity and pH in some tide pools while insignificant in others. In general it was concluded that salinity and pH may have greater effects on littorina density in one tide pool over another due to other abiotic and biotic factors present within them.