76- The National Centers for Coastal Ocean Science conduct extensive research on harmful algal blooms .
77- The lecture focused strongly on phosphates, which is believed to feed the algal blooms .
78- These algal blooms can emit toxic substances that can be harmful to humans if consumed.
79- This process is one of the principal causes of persistent algal blooms at some lakes.
80- Critics are concerned that fertilization will create "harmful algal blooms " (HAB).
81- Researchers of the phenomenon have indicated that algal blooms have occurred every summer for decades.
82- Using extra lighting to encourage algal growth is encouraged.
83- Another potential threat is the increase in algal growth .
84- There is also evidence that algal growth helps promote its spread.
85- Some algal growth benefits those fish which feed on greenery.
86- This prevents appearance of black spots on walls due to algal growth .
87- Winter storms are another key factor in the amount of algal growth .
88- Nitrates contribute to nutrient enrichment which encourages algal growth and blooms.
89- Nitrogen is a valuable substrate that can be utilized in algal growth .
90- Herbivores are grazers and crop hard surfaces of algal growths .
91- Overfishing of herbivore populations can cause algal growths on reefs.
92- The organic molecules released from the dead bacterial cells stimulate fresh bacterial and algal growth .
93- Little information exists in the scientific literature about their effectiveness in reducing algal growth .
94- The dominant process effecting the quality of the water is photosynthesis and algal growth .
95- Discharge of sewage also contributes to nutrient loading which further promotes excessive algal growth .
96- Once they enter rivers , lakes and bays, they can trigger algal growth .
97- Light cannot penetrate turbid water very deeply and that limits algal growth there.
98- By law, sellers of unregistered products may not claim that they affect algal growth .
99- Wastewater and sewage enter the lake untreated and this enhances algal growth and eutrophication.
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