This area chart displays temperature by plant type from a CSV file, with a blue-green filled region beneath a smooth monotone curve. The visualization uses D3.js v7 with SVG rendering, sorting the data by temperature and applying `d3.scalePoint` for the x-axis, `d3.scaleLinear` for the y-axis, and `d3.area` with `d3.curveMonotoneX` to generate the path. The chart includes rotated x-axis labels and axis titles via `d3.axisBottom` and `d3.axisLeft`, using data fetched with `d3.csv`.