ipl-logo

Overfishing In Fish

540 Words3 Pages

There are specific problems associated with the decrease in the number of bass in the Tri-lakes. There have been many records and data telling us that the population of the fish has been decreasing since 1988 to current day. These three main limiting factors are considered overfishing, the interactions among the bass and the organisms that live in the lake, and an increase in temperature that may be too hot for some organisms to handle. The interaction between the yellow perch and the bass has been competition, the bass population began to increase while the yellow perch population began to decrease. This might have been because they were fighting each other, or fighting for the food source. The next interaction in the lake is between the Daphnia and the bass population. This is predator-prey because the Bass eat the Daphnia because the Daphnia is the food source for the bass. It is important for us to use other people from our groups data so that we can really figure out the main factors causing the bass population to decrease. Without my groups data I would have only been able to find evidence of overfishing, but with the data I received from the others I was able to find the bridge to the temperature issue. …show more content…

Overfishing is a big problem because each year, starting in 1988, about 3,800 fish were caught, but after that, the amount of fish began to fluctuate.. The second main problem is the temperature change in the lake, the water is becoming too warm in which some organisms in the lake may not be able to handle. An organism like Daphnia thrive at a temperature 20°C, but recently the temperature has been 21°to 24°C, this is too warm for the Daphnia which could be why many organisms in the lake are having a hard time

Show More
Related
376 Words | 2 Pages

And the smallest zooplankton (called micro‐zooplankton), fell by about 90 percent.” Finally, dissolved oxygen in the river dropped by 15

Read More
985 Words | 4 Pages

First we will be talking about the negative effect. According to USGS (The United States Geological Survey) ever since the Introduction of Zebra Mussels to the Great lakes,” Large populations of zebra mussels in the Great Lakes reduced the biomass of phytoplankton significantly following invasion. And the Diatom Abundance as decreased by 82-91 percent.” Zebra Mussels consume plankton as food which leaves Small fishes such as young sportfish without as much food. These small fishes depend on Plankton for growth and survival.

Read More
407 Words | 2 Pages

Daphnia are very abundant organisms in freshwater lakes. They tend to live in the upper algae rich portion of the water, feeding on phytoplankton, bacteria and decaying organic matter. Daphnia and bosmina both serve an essential role in he food chain in most lakes, serving as a resource for numerous predators. Trout tend to feed on small crustaceans like daphnia and dosmina. Trout are visual predators and therefore feed on the larger daphnia thus providing bosmina a competitive

Read More
705 Words | 3 Pages

The largemouth bass have the ability to hide from their prey and provide protection against their predators through the process of abundant vegetation. Their surroundings is usually made up of clears waters so that they can use their vision to identify their prey. The range size in most environments is usually no greater than three meters. (Hannon, 1996; Iguchi and Matsuura, 2004) The largemouth bass is dioeciously, meaning they have separate sexes in reproduction, male and female.

Read More
598 Words | 3 Pages

Students started off with a population of ten Skittlefish (skittles) on an orange reef (construction paper). The skittles had varying colors, and the adaptive trait being examined was the ability to blend in with the reef so the predators would not find them. The hypothesis that was thought up was that individuals’ survival was based on their location and coloring. The first year began with two of each color, and 5 Skittlefish were eaten that “year”. The ones eaten were two green, two purple, and one red.

Read More
636 Words | 3 Pages

The algae washes up on shores and destroy the beautiful of the beaches. This also has a side effect on the economy. A nuclear power plant had to be shut down from the algae problem which has cost them hundreds of thousands of dollars per day.

Read More
532 Words | 3 Pages

An interesting feature of this lake is that it contains no large mouth predators of the fish. Normally, the spines of the fish keep them protected from these predators, but here in Bear Paw Lake, the spines actually decrease the fitness of the fish because the dragonfly larvae living at the lake bottom prey on the fish by grabbing them by their spines. Due to natural selection, eventually the fish in the lake population lost their spines on the undersides of their bodies.1 The fish that had low fitness due to their spines were killed and unable to produce offspring while those without spines or maybe with reduced spines lived long enough to

Read More
1028 Words | 5 Pages

Identify the problem: In a vast array of Michigan lakes, a crusty brown algae is spoiling the waters it comes into contact with. (Some lakes include Torch Lake, Elk Lake, and Lake Charlevoix). Pinpoint Causes of the Problem: From an undetermined source, groundwater nutrients nutrients like nitrogen and phosphorus are penetrating the lake at abnormal levels. However, a few leads have been suspected. These culprits include invasive mussels, heavy ice cover the last two years, residential and agricultural runoff, and outdated septic systems.

Read More
1453 Words | 6 Pages

The Asian Carp Response in the Midwest states: “The presence of Asian carp in the Great Lakes could cause declines in abundances of native fish species. Asian carp will compete with native fish for food—native fish like cisco's, bloaters, and yellow perch, which in turn are fed upon by predator species including lake trout and walleye” (np). Another consequence is the poor quality of water that carp cause when they enter into new waters. They are known to be responsible for the unpredictable and disastrous results in habitats. As stated by Hansen, M. “Asian carp are like zebra mussels, which also prey on the base of aquatic food webs, and can thereby reorganize nutrient and energy flow with unpredictable consequences on native species” (np).

Read More
702 Words | 3 Pages

The lack of breaths per minute as the temperature is decreased indicates that goldfish are ectothermic organisms. Although other environmental factors may play a small role in the respiration rate of aquatic ectotherms, the experiment provided evidence that water temperature was greatly responsible. The biological significance of the experiment was that scientists may conclude that many other freshwater fish become inactive during the winter months due to the drop in water temperature. The results of the experiment may be applied to the real world by concluding that perhaps water temperature is responsible for why sport fishing in Louisiana occurs predominantly in the spring and summer months; the water is warmer and the fish require more food to maintain their respiration and metabolism. This experiment could have been adapted or modified to show that as respiration rate decreases, so does the fish’s metabolism

Read More
1015 Words | 5 Pages

The data in both sets seem to support the hypothesis that when the number and type of predators is increased, the guppies become more drab. Instead of just testing the bright guppies with these variables, drab guppies were tested as well to insure accurate representation. The first trials data were consistent with the hypothesis, the percentage of bright guppies stayed stayed about the same when the amount of predators was low. In trial two more predators was introduced therefore the percentage of bright guppies decreased dramatically. In fact, none of the brightest variety of guppy survived the trial.

Read More
1184 Words | 5 Pages

These changes correlate with changes in many marine species. Pollock and salmon have done while others have decreased. Scientists have accessed the ecosystem and concluded that Alaska’s shore is far from being “fished

Read More
768 Words | 4 Pages

Daelyn Sagert January 30, 2018 Comp. 2 4th hour Compare and Contrast Essay Freshwater Fishing vs. Sea Fishing Saltwater fishing and freshwater fishing both have their own unique, and sometimes annoying qualities. Neither of them are really better than the other one that can be proven as such. Everyone has their own opinion over the “which is better” topic, and to just bluntly answer that question come, neither of them are better than the other (K, Jay n.p.). The biggest dependency of which one you like more is where you live.

Read More
665 Words | 3 Pages

The introduction of Asian carp into the Great Lakes has had an adverse effect on native fish and could jeopardize the fishing industry, particularly lake perch and trout populations. The Asian carp eat many tiny plants and animals, which are food for many native fish. This will eventually affect the population and growth of the Great Lakes native fish. The Asian carp should be removed from the Great Lakes as shown in the following paragraphs.

Read More
760 Words | 4 Pages

1. 90-100 million tons are killed and wiped off the planet each year. Consisting of some of the most beautiful creatures on the planet. Fish are a primary food source to 3.5 billion people worldwide and the depletion of the species is leaving millions of people hungry. Over fishing is a huge problem that needs to be stopped.

Read More

More about Overfishing In Fish

Related Topics

Open Document