-Herald & lantern 23 March '83

35

How Much Do Birds Use Shore?

The New Jersey/ Endangered and Nongame Species program is conduc ling an investigation to determine thd utilization of New Jersey's shorelines by migrating shorebirds The information will be used to determine the possible impacts of oil spills and energy-related develop ment in Delaware Bay and the Jersey shore New Jersey has long been known as a stop-over place for tens of thousands of shorebirds as they migrate between the Artie

and South America twice every year Until this study, funded by the U S Department of Commerce through the New Jersey' Department of Energy, it was not known just how important New Jersey is “OBSERVATIONS made ddrihg the survey indicate that Delaware Bay may be the most important stopover area for shorebirds in Eastern North America." said Pete Dunne of Cape May Bird Observatory, who is conducting some of the survey work under con-

Health Watch by Dr Robert C. Beitman

In America, our attention is regularly directed to special diets by advertising and the media — The Pritikm, The ■ Scarsdale. The Grapefruit, etc In my opinion, the best way to select a diet is to know how our bodies work so that we can make educated dcci sions and create our own BEST diet Each of us has certain factors about our constitution that should be taken into account March is National Nutri tion Awareness Month During this month we will focus upon understanding nutrition, digestion, and the things we can change to increase our chances to live in good health We will talk about fiber, salt intake, cholesterol, caffeine, vitamin supplements, and clear up some of the mysteries about protein and carbohydrate TODAY WE ARE going to cover how the digestive process works I believe you will see that the pro cess of digestion is fascinating and holds im portant clues to the choice of foods we eat and their impact upon our health The food we eat has three mam purposes. To act as d fuel to run our bodies, to store energy in the form of fat. and to serve as building blocks to create the cells of which we are made In order todransform the food into fuel, we have built into our bodies a special factory called the DIGESTIVE SYSTEM Digestion is both a chemical and mechanical process designed to draw out of food the valuable nutrients in a microscopic form so that they can circulate through the blood stream to where they are needed THE FIRST STEP in the factory is for us to chew the food into smaller particles This allows the food to be mixed with saliva, which not only makes it softer and easier to swallow, but also contains special chemicals (enzymesi to start breaking down the food into forms our bodies can use The food is swallowed due to an instinctive reflex which is triggered when it touches the back of the tongue. Wave-like muscular actions in ‘he esophagus (swallowing lubei move the food down to the stomach The stomach is like a cement mixer It churns the food particles around so that the contents eventual ly mix This is important because it is here that the particles combine with gastric acid and pepsin These enzymes and acid enter into chemical reactions w ith the stomach con tents to break them down

into even smaller particles It takes about 3 - 4 hours on the average for the stomach to do its part, although some foods take only 'a hour and others 7 hours For example, fats take a very long lime, which is why we feel full after a fatty meal THE PARTI ALEV digested stomach contents are then moved into the small intestine As the par tides move through the smqll intestine«duodenum, jejunum and ileum*, additional secretions attack The pancreas sends in special chemicals to neutralize stomach acid, as well as other enzy mes to at tack the proteins, starches and fats which need more intense work The liver also sends out bile Bile attacks fats and emulsifies them to make better chemical reactions with the on /vines Finally, the lining of the intestine itself puts out enzymes to reduce the content into simple nutrients Built into the small in testine are villi, finger like structures which line the walls As the contents of the intestine rub against these villi, the totally digested parities are pick ed up and moved into the blood stream \IJ. THE LEFTOVERS move into the large in testine Here the final work is done of removing minerals and excess water Then the leftovers form the stool or feces, substances which the body doesn't have the ability to use Stool is composed of 2/3 water and one-third fiber, old cells from the lining of the intestine, large amounts of bacteria, and other substances which cannot be digested When the brain senses the large intestine is full, muscles contract to move the stool into the rectum When we are ready, it is expelled At this point, hopefully, our bodies are humming like well maintained in dustrial plants Or arc they 9 The body was expecting certain nutrients to ar rive during the meal Did they arrive 9 Or did we eat a meal that lacked some of the nutrients necessary to keep the body humming 9 Did we overeat and is the body choking on the excess 9 Now we understand what the body is trying to accomplish with digestion Next week we ll cover the basic nutrients and how the body uses them to maintain itself THIS IS A COM PLEX TOPIC don t hesitate to ask questions Write American Cancer Society 15 Delsea Drive. Rio Grande

Good Reading by Owen Murphy

tract to the Endangered and Nongame Species Program "For the Red Knot Sand piper, for instance, we estimate that between one half and two thirds of the total New World population stops to feed in New Jersey each spring." added Dunne. During the 1982 surveys over 900,000 individual birds of nine species were counted on the Delaware Day shore alone. "The reason for these bird concentrations appears to be the abundance of horseshoe crab eggs that are laid in the sand every year," said JoAnn Frier, Program Manager for the New Jersey Endangered and Nongame Species Program "Any proposed development on the Delawarea Bay should not only consider impacts on the shorebirds. but also poten tial impacts to the horseshoe crab popula tion. ' added Ms Frier Off shore oil exploration is currently underway and new discoveries could require new onshore facilities to be built

VIRGIMBIS PCERIS(j l E AND JtTHER PAPER By Hubert Louis Ste\ensni\ (All of (hr hnoks rrvion - ed in (bis cplunw are available al the Cape May County Library > This perfectly wonderful collection of essays has perhaps the worst title that any author ever gave a book How Robert Louis Stevenson who gave us Treasure Island and Kidna/) pod. could stick this obscure latin title on his very best writing will. always be a mystery to me If you know Stevenson from his children's books but don't know these 12 essays, then you've got a treat in store for you Start _ with Child's Play, which is filled with marvelous observations about children, and move from there to the long title essay. ' V i r g i n i b u s Puerisque* (which should have been called. "Reflections on Love and Marriage") After that dip in anywhere Walhinf; Tours is a par ticularly delightful period piece For Stevenson afficianados. the county, library also has his Cof freterf Letters Many of them were written from Samoa during his final

years (he died at -Hi and they present a captivating portrait of this gifted Scotsman, a lifelong TB sufferer, whobeebmea vir lual king on his South Sea island lor the very Ih*sI of reasons All of the follow mg quota tions are by the author. Robert IjOuis Stevenson, from Virginibus Puerl.s que' and Other Papers That many of us lead such lives as they would heartily disown lifter two hours serious reflection on the subject is, I am afraid a truism, and. I am sure, a very galling thougnl Loves gives such a supreme sens? of pleasure to all parts of life - in lying down to sleep, in waking, in motion, in brea'hing. in continuing to lie that the lover begins to regard his happiness as beneficial for the rest of the world and highly meritorious in himself We advance in years somewhat in the manner of an invading army in a bar ren land; the age that we have reached, as the phrase goes, we but hold with an outpost, and still keep open oUr commumca tions with the extreme rent-

beginnings of the march We are more concerned about the shadowy life that we have in the hearts of others and that |>orlion in their thoughts and fancies which, in a certain far way sense, belongs to us. than about the real knot of our idenlity that central metropolis of self, of which alone we are immediateh

AN XSPIRATION isa Joy forever, a possession as solid as a landed estate, a fortune which we can never exhaust and which gives us year by year a revenue of pleasurable activity To have many of these is to Ikspiritually rich The liesl of men and I lubes I of women may. sometimes live together ail their lives, and, for want of some consent on fun da mental questions, hold each other lost spirits to the end The difficulty of literature is not to write but to write what you mean, not to affect your reader, but to affect him precisely as you wish To love playthings well as a child, to lead an adven lurous and honorable youth, and to settle when the time arrives into a green and smiling age. is to Ik- a good artist in life and deserve well ol ybursell and your neighbor

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