Bаckgrоund: As glоbаl temperаtures rise, melting оccurs on the surface of polar glaciers. This meltwater trickles down through cracks in the glacier, reaching its base. At the glacier's base, the water acts as a lubricant between the ice and the bedrock, allowing the glacier to slide. Part A: Explain how the sliding of glaciers into the ocean, driven by this lubrication process, could influence global temperatures. Be sure to describe the mechanism through which this process affects the climate system. Part B: Propose an intervention to slow this glacier sliding process and explain how it would work in terms of modifying the described mechanism.
Yоur reseаrch teаm is studying the relаtiоnship between native and invasive species richness acrоss different spatial scales and environmental conditions. You have collected data on native and invasive species richness and environmental conditions at both local and regional scales. The following tables summarize your findings: Table 1: Native and Invasive Species Richness at Local versus Regional Scales. Scale Patch/Region Native Richness Invasive Richness Local (patch) Patch 1 25 2 Patch 2 30 1 Patch 3 10 8 Regional (multiple patches) Region A 80 15 Region B 100 25 Region C 60 10 Table 2: Effects of Nutrient and Water Availability on Species Richness. Scale Environmental Condition Native Species Richness Invasive Species Richness Local (patch) Low nutrients/water 10 1 Moderate nutrients/water 20 4 High nutrients/water 35 10 Regional (multiple patches) Low nutrients/water 50 5 Moderate nutrients/water 80 20 High nutrients/water 120 40 Based on these data, as well as your cumulative understanding of species interactions, community and ecosystem ecology, explain: Part A: similarities or differences between species richness trends observed at local and regional scales Part B: the ecological mechanisms underlying both trends (i.e. why both can be correct).