0
Yesterday I measured Secchi disk transparency and compared that with simultaneous photometer measurements in a subtropical estuary. The lower border of the photic zone (1% of surface irradiance) according to my YSI photometer was at a depth of 4.7 m , while Secchi reading was at 1.6 m. Multiplying 1.6 by 2 gives 3.2, which is significantly lower than 4.7 m. Before that observation I believed in the "double-Secchi rule".
No, the photic zone refers to the depth of water where sufficient light penetrates for photosynthesis to occur. Secchi depth, on the other hand, is the depth at which a Secchi disk is no longer visible from the surface. While the two depths can be related in certain circumstances, they are not inherently equal or directly comparable.
Add your answer:
Earn +20 pts
How deep is the oceans photic zone?
The photic zone in the ocean typically extends to around 200 meters (656 feet) deep, but this can vary depending on factors such as water clarity and location. Below the photic zone, light levels decrease significantly, making it difficult for photosynthesis to occur.
What are facts about the Photic Zone?
The photic zone is the uppermost layer of the ocean where sunlight can penetrate, allowing photosynthesis to occur. It is home to a wide variety of marine life, from plankton to fish and even some larger mammals like whales. The depth of the photic zone can vary depending on the clarity of the water, but it typically extends down to around 200 meters.
What are 2 natural resources in the photic zone?
Two natural resources found in the photic zone are sunlight and nutrients. Sunlight is essential for photosynthesis, which provides energy for many organisms in this zone. Nutrients such as nitrogen and phosphorus are vital for the growth and productivity of plants and algae in the photic zone.
What plants and animals live in the photic zone?
Euphotic zonethe zone of water that is penetrated by sunlight, Phytoplackton make up its primary inhabitantshttp://content.answers.com/main/content/wp/en-commons/thumb/2/23/150px-Phytoplankton_SoAtlantic_20060215.jpgthis is a picture of a plankton bloom
Do any abyssal zone animals go to the photic zone?
yes
How deep is the oceans photic zone?
The photic zone in the ocean typically extends to around 200 meters (656 feet) deep, but this can vary depending on factors such as water clarity and location. Below the photic zone, light levels decrease significantly, making it difficult for photosynthesis to occur.
What determines whether a zone is photic or aphotic?
The aphotic zone is formally defined as the depth beyond which less than 1% of sunlight penetrates.
What type of animals live in the photic zone?
The uppermost layer of the world's oceans that receive sunlight during the daytime is called the photic zone. The depth of this zone depends on the clarity or murkiness of the water. In clear water, the photic zone can be quite deep; in murky water, it can be only 50 feet deep. On average, it extends to about 660 feet. Animals that live in the photic zone are plants, such as free-floating algae, sea weeds, etc. Zooplankton, most ocean fish, sea turtles, seals, etc. Bottom-dwellers such as starfish and sea shells live in the photic zone too. This zone is defined in terms of light, not depth.
What is the well lit upper layer part of the ocean is known as the?
photic zone.
Is the Photic zone in South America?
The photic zone is the depth of the water in a lake or ocean, that is exposed to sufficient sunlight for photosynthesis to occur. So you could say that it is all around South America, and on it where there are lakes and ponds.
At what depth does light fail to penetrate water?
The upper 100 -200 m of the ocean is called the Photic zone (photo = light).At about 150 meters 99% of light is absorbed.Beyond the Photic zone, light does not penetrate, and it is pitch dark.
What is the photic zone of the ocean-?
The photic zone of the ocean is the surface of the ocean that receives sunlight.
Portion of the marine biome that is too deep for sunlight to penetrate?
I dont know i want to know the answer myself
What are facts about the Photic Zone?
The photic zone is the uppermost layer of the ocean where sunlight can penetrate, allowing photosynthesis to occur. It is home to a wide variety of marine life, from plankton to fish and even some larger mammals like whales. The depth of the photic zone can vary depending on the clarity of the water, but it typically extends down to around 200 meters.
What distinguishes the photic zone from the aphotic zone in an aquatic zone?
Photic = where there's light Aphotic = where there isn't light, deeper waters.
Which ocean zone does sunlight penetrate?
The epipelagic zone is the region in the ocean that is exposed to a sufficient enough amount of sunlight to allow photosynthesis to occur.
Phytoplankton is most frequently found in which zones?
photic
