Xichang happy farmhouse recruitment

(1) The energy of Qionghai ecosystem comes from solar energy fixed by producers and the energy of organic matter in urban sewage. The decomposer in sludge can decompose the organic matter in municipal sewage through decomposition. All living things in Qionghai wetland constitute a biological community. Because the self-regulation ability of ecosystem is limited, the control of pollution sources should be strengthened.

(2) Due to the construction of wetlands, the species of birds in the ecosystem have increased, and the producers who provide food for birds have also increased. Succession in primitive ecosystem is secondary succession.

(3) Microcystis and plants are producers, and they compete for sunlight and inorganic salts, so the competitive relationship between these plants and Microcystis inhibits the reproduction of Microcystis.

(4) As can be seen from the figure, the energy of primary consumers is ②, and that of secondary consumers is ③, and part of the energy ⑨ comes from labor, so the energy flowing from primary consumers to secondary consumers is ③-⑨, so the energy flow efficiency is ③? Pet-name ruby ②×100. ② The energy is the assimilation amount of primary consumers, and assimilation amount = intake-amount of feces, so ② does not include the energy of feces of primary consumers.

So the answer is:

(1) solar energy fixed by producers and energy in organic matter in urban sewage? Decomposition of decomposers? Organic biome? Self-regulation ability

(2) increase? Secondary succession

(3) competition

(4)③? Pet-name ruby ②×100