A fall in GFR stimulates
A fall in GFR can activate the JG cells to release renin which can stimulate the glomerular blood flow and thereby the GFR back to normal.
ANF is release when blood pressure is high.
Aldosterone is secreted by Adrenal cortex which is stimulated by Angiotensin II.
ADH is is secreted by hypothalamus and released by neurohypophysis when there is loss of body fluid.