ECONOMIC IMPORTANCE OF BIRD Birds have direct and indirect economic and cultural values for people. Birds are important for a lot of reasons. Birds provide us food, medicine, fertilizers and also bring about pollinations. They are important because they are a part of the food chain. Birds are also important because they help spread seeds around and thus help with the planting process. Birds also perform vital ecological role, besides their economical role. They are critical links within the fast food chains and webs that exist in the ecosystem. The economic importance of birds can be studied into two parts – A) Beneficial effect B) Harmful effect. …show more content…
As biological Controls – *Birds are very helpful in controlling injurious crop pests. *There are a wide variety of insect eating birds. *Sparrow generally eat seeds of noxious weeds. *Birds of prey such as hawks, eagles and owls kill rodents, hare and ground squirrels etc which destroys the crops. *Birds can destroy up to 98% of over-wintering codling moth larvae, a major pest of apples worldwide. *No doubt, in the absence ofbirds, many of these insects may become even greater pests, destroying our agricultural and forestry crops. As key stone species –*Some birds are considered keystone species as their presence in (or disappearance from) an ecosystem affects other species indirectly. *For example, woodpeckers create cavities that are then used by many other species. *After the extinction of the dodo, it was discovered that a tree whose fruits had been a primary food item of the dodo was unable to reproduce without its seeds passing through the dodos’ digestive tracts, which process scarified the seed coat and enabled
Jennifer Price informs the readers about an economy in which a simple bird helped bloom it. For example the inclusion of many hotels and restaurants that utilized the bird as an eye opener. As she said “ a flamingo stands out in a desert even more strikingly than on a lawn.” The bird was used for numerous things including the affluence of a population that had just gotten out of the Great Depression. Jennifer Price also includes the birds magnificent color and how it also helped the economy.
The bald eagle (Haliaeetus leucocephalus) is a bird of prey and is most commonly found in North America. Its habitat is anywhere near large areas of water surrounded by many tall trees. They feed mainly on fish, which they grab from the water with their talons. Due to human impact, particularly from the use of guns, the bald eagle has faced extinction.
Ever since 1973, when the Endangered Species Act came into being, conservationists and private landowners have been debating over whether to preserve the habitats of many endangered species found in unprotected areas (Ligon et al, 1986). Increasing levels of human development has led to the cutting of old-growth forests and construction of roads and other physical barriers to wildlife. These activities have greatly contributed to the fragmentation of wildlife habitat, which has had detrimental effects on the population structure and survivorship of the affected area’s indigenous species. One species that has been affected by habitat fragmentation is the red-cockaded woodpecker (Picoides borealis), a nonmigratory bird with a home range covering most of the southeastern United States (Roise et al, 1990). Habitat fragmentation has led to the loss of genetic variability, nesting sites, and suitable population sizes to support cooperative breeding requirements. These factors have been responsible for the precipitous decline of the red-cockaded woodpecker. Because the red-cockaded woodpecker provides important ecological and economic benefits to both humans and the environment, we should strongly consider enacting a conservation plan for this species.
Most of the bones are pneumatic, meaning they are hollow and filled with air spaces connected to the respiratory system. Thus the hollow bones reduces the weight of birds which makes the lighter to fly freely.
The idea of writing at any school level or in life is seen more as a grueling task than enjoyable experience. In the novel, Bird by Bird, the author Anne Lamott is speaking to a generation of writers, who may be struggling with the process. The content is rich with stories to help the writer analyze his or her own life to add it to their writing style, a concept that may be hard for some people. Bird by Bird is an effective book, because Lamott includes not only writing tips, but a sense of humor along with life advice.
The European Starling is invasive in North America. It was introduced in New York but quickly spread around the U.S. and Southern Canada. They range all the way from sea to sea, and from Florida to Alberta. They were first introduced in 1890, when a Shakespeare fanatic introduced approximately 100 starlings into central park. His dream was to see all of the birds mentioned in Shakespeare’s works introduced into North America. The starling population skyrocketed in the following hundred years, and the population today is around 200 million! Since its introduction, it has had many negative impacts on its environment. The main reason why starlings affect their environment so negatively is becaus...
Thesis Statement: Mary Aprarico Castrejon’s essay “The Fighter Bird” reveals her family’s poor living situation and the grit which members of her family, like herself and her papi, have despite of their situation.
Skynyrd was around in the 1990’s but the bands in the 1990’s don't even hold a candle to what skynyrd did. 1990’s was more of a rap/hip-hop age rather than like 1970’s 1980’s so like I said earlier you can even compare the bands of the 1990s to skynyrd. Skynyrd was so good is why you can't even compare the bands of the 1990’s.
Bird nests, in particular those located in areas of low density vegetation have a higher degree of predation than those located in areas of high density vegetation. Such nests in these locations are preyed upon by many species. In the following experiment bird’s eggs made of white plasticine to emulate that of a real bird egg were placed in bird nests made of tennis balls that had been cut in half which were then covered with coconut fibers that was glued to them, two of these artificial eggs were then placed in each nest- a total of two nests were created. One of the two bird nests was placed in an area of low density vegetation and the other was placed in an area of high density vegetation to test the hypothesis that there is a
In A Bird in the House, Margaret Laurence is able to incorporate many themes and motifs into her stories such as, war, tragedy, religion, and faith. Another theme that is also shown throughout the book is identity, both national and individual identity. National identity is defined as “ a sense of a nation as a cohesive whole, as represented by distinctive traditions, culture, etc.”, while individual identity is what makes a person unique, it is what a person believes, thinks and feels. Sometimes in life identity gets mixed up and can become a confusing aspect of life. People are a product of their environment, which is a factor in shaping identity. The protagonist in the book, Vanessa MacLeod, witnesses and experiences both types of identity. She sees the influence of the Canadian national identity in her Grandfather Connor, Scottish heritage in her Grandmother MacLeod, Irish heritage in her Uncle Dan, which ultimately influence Vanessa’s personal identity.
Kienyeji birds play important role in the livelihoods of most families in Kenya. These families can improve their income and supply of products (meat and eggs) by practising a combination of the following recommendations.
One of the big causes of extinction or the endangerment of species is foreign species entering a habitat. This species that are not native to the land can disrupt the food web in that community. These species take control of the food web and endanger some of the other species. The native species become endangered and over the course of many years they either adapt to their new way or life, the foreign predator leaves or is killed off due to the different environment, or the species is killed off and becomes extinct. Organizations like the “World Wild Li...
II.Main Point: Trees play an important role in the life of birds and animals.It is natural that wherever trees are planted, wildlife and other plants are sure to follow.
It is known that the world relies on capital. Without it the economy would collapse leading to war, famine, and death. Wildlife is an integral part of the world's economy. The world's populatio...
According to Marıa et al., (2004) reduced locomotion activity increases stress due to the frustration of not being able to express some behaviors, for example, lack of access to nests (Duncan, 1998). Benefits of environmental enrichment to poultry is even distribution of birds in the available space, which permits more activity and locomotion that reduces disturbances and aggression as well as fear and stress (Leone and Estévez, 2008). Certain poultry behaviour has a strong incentive and poultry welfare is negatively affected if the birds are not allowed to express these behaviours (Linares and Martin, 2010). These authors stated that frustration, fear, and pain are the negative mental states of poultry and include increased aggression, displacement preening, and stereotyped pacing. Study from Linares and Martin (2010), confirms that extreme nervousness and hysteria are signs of poor welfare and they are associated with high population densities in large group, exposure to clamor, unexpected movement, or inexperienced circumstances, which result in skin trauma from scratches, spontaneous fractures, lessened feed consumption, decreased egg production, and reproductive disorders such as internal laying and peritonitis secondary to abdominal