No spring is the same
2022-04-08
When does spring begin? Everyone feels that the time of spring may be different. Spring begins with light. In February, even earlier, suddenly one day, the light in the daytime became strong and bright, and the message of spring came. The sun is at the top of the head, and the light is sprinkled evenly. The places where your eyes look are full of light and shadow. The dignified gray and cold color of the city all winter has gradually diluted and become light. The needles of Pinus tabulaeformis and pine are silver, the dark scale leaves of Platycladus orientalis also have luster, and the branches of poplar and sycamore become more white. It is not only the light of the day, but also the distant horizon after dusk and sunset. The junction of orange red and dark blue no longer has a sense of condensed solemnity. The glow is relaxed and gentle, spreading to a broader sky. Spring begins with clouds. On the windy days, clouds began to surge in the sky. Cumulus, stratocumulus, cirrus and pod clouds were silky light clouds, which were printed on the blue sky and soon dispersed by the wind. It seems that there is a boundary since that day. The clouds wake up with spring, still with a little cold wind and fast flowing clouds. The atmosphere is also a bit like early autumn, which reminds people of the symmetry of seasons. Spring begins with buds. The sap flows, and the nutrients absorbed by the roots are transmitted to the buds, which expand little by little. There are so many trees in front of us. They almost get signals in unison and burst out. Such a consistent pace is also lamentable. The warmth brought back by the sun is not only important to people, but also to plants. I'm afraid no one will ignore the flower buds of magnolia tree. Throughout the winter, the winter buds of Magnolia wrapped by hairy scales have been shining on the tree. At this time, the woolen clothes have opened a gap, revealing another layer of light bud scales, and the light white perianth can be seen faintly. The flower buds exposed by Populus tomentosa can be called grand. The male flower sequence is first, and then the female flower sequence. The trees are covered with numerous flowers. It is necessary to spread pollen with the help of the wind early. The birds peck noisily and happily among the dense flower buds, which is the food that can be easily obtained in early spring. Looking at the past, the Populus tomentosa tree seems to be covered with a layer of moving and thick "flower buds", and has become a chirping tree, which looks so vibrant. They really feel that the tree is a blessing to the birds. It seems that they can be tolerant of the seeds that will spread with the floating catkins. What I saw in early spring When you move your eyes from the sky and trees to your feet, you can suddenly see that the small early blooming Viola blooms. On the bare loess ground, the purple flowers are like deep and bright eyes. This is the footsteps of spring and the messenger of spring. The early opening Viola that opens first is always low and close to the ground, like a pioneer. They also have to resist the wind and the cold at night. When the petals just open, the color is dark purple, and the purple veins and white strips in the depths of the flower core are looming. Slowly, the purple can diffuse into pieces on the ground and become a purple velvet blanket. Even in the twilight, it seems to emit a warm and low purple light. Then, the tall February blue was in full bloom, filled with purple smoke rising in the forest space, and looked like purple snow against the light. There are also many wild grasses. As long as there is a chance, they will strive for living space for themselves. The rosette like basal leaves are clustered and fluffy. Some are full of a rigorous and symmetrical sense of order, such as dandelion, mud paste vegetable, shepherd's purse, ground vegetable and summer solstice... Others seem to know and are not sure until they draw out the scape. The sun returns, and so does the color. The spring of light reflects the fresh and light colors on the earth. This long scroll of nature is still colored layer by layer. The willow shoot has a perceptible soft green, the Cornus officinalis blooms its yellow buds, such as stars, the spring jasmine is a bright yellow light band, and a large number of male ball flowers of juniper have dyed the outer layer of the tree into a dark yellow green. The mountain peach is gradually blown open by the wind. The weak flowers have light pink petals, and the anthers and calyx are red and purple. Wangchun Magnolia blooms almost at the same time. Some flowers are white and some are light pink. The perianth is surrounded by pistils and stamens. The posture of the flowers is always compact and upward. The Magnolia forest is full of fragrance. It is a world occupied by flower buds, perianth pieces and hairy bud scales. The Chinese name "Hope Spring Magnolia" is really very good. The word "Hope" contains all the words and feelings of looking forward to spring. Clove buds also bloom very early. You can see that the panicle wrapped inside has taken shape. Many of the buds of honeysuckle are in the old buds of last year, and the light white green matches with the dried red fruit. The elm blossomed, the anthers were brownish red, the branches of Acer safflower were white and slippery, and the purple flower buds formed a sharp contrast with the bark color. The ground under my feet is soft, I can see flying insects, there are reptiles crawling among the withered grass, and the song of birds courting becomes clearer and clearer... I still feel very sad for spring, for the alternation and timing of such seasons, and for the relieved earth. What you see in early spring may take a whole spring to digest. A state of mind in the face of spring After such a long winter, spring gives people a new hope. We greedily want to see all the details of spring and follow the opening of every flower and the stretching of every leaf. Subconsciously, we want to keep up with the rhythm of nature and deeply feel the pulse of the earth. Early spring can calmly wait for the flowers to bloom and watch the bud sprout. However, it is difficult next. After the peach blossom, it is the flowering period of apricot, plum and all kinds of peaches, green peaches, cloves and begonias, followed by the green of leaves. Green is also so different from green. Green has all kinds of levels and differences. From the initial burst of several spring notes, it suddenly turned into thousands of voices, and the plant growth storm shouting at the same time gathered into a complex symphony. Life energy is bursting everywhere and changing almost every day. In the face of such vigorous vitality, I don't have time to look carefully. I miss there when I look here. The pace of spring is not waiting, joyful and wasted, which is such a state of mind in the face of spring. What do we see in spring every year? We will still be in the same place and look at the same trees and flowers. Can we still have some fresh observations and feelings? As like as two peas of the spring roll, the spring roll again meets the words of Bi Anji. "Every spring is new, no matter how many years you live, you will never see two identical spring days". Spring comes every year. Plants begin to grow, the earth turns green again, blooms and bears fruit, and then leaves and hibernates. This cycle repeats. As like as two peas, the rhythm of the seasons seems to be fixed, but from a micro perspective, every spring is not exactly the same. The time of spring calculated in the sense of meteorology is different every year. What's more, there are many other factors that will affect phenology, season and life. Climate warming, changes in habitat environment, types and quantity of food affect the arrival time of migratory birds and the size and year of plant growth... All these will make the spring we see undergo slight changes. From a macro point of view, in a longer time scale, nature is certainly not invariable. The life process of organisms is constantly evolving. In order to adapt to the environment and the competition between species, this adaptation process makes them constantly adjust, modify and change. Elizabeth Bishop has a poem "North Haven", which is a work of cherishing friends. It is also written in a section: "the return of the goldfinch, or other similar birds, and the five syllable ballad of the diphtheria bird, brings tears into her eyes. Naturally, it repeats itself, or almost: repeat, repeat, modify, modify, modify." The "Repetition" and "modification" repeated three times have a sense of rhythm and emphasis. 3 because of the isolation of the epidemic, no one has set foot in the spring How to understand "Repetition" and "modification"? An impressive example is that during the epidemic in 2020, scientists from the University of Tennessee and the University of Texas in the United States cooperated in a study to compare the calls of white crowned babblers in specific places from April to June in 2015 and 2016 with those in the same period in 2020. The results showed that after the outbreak of the epidemic, the white crowned babbler in San Francisco changed the frequency and volume of their calls, and their songs became more beautiful and spread further, which could better attract their spouses. The findings were published in the journal Science. For decades, with the continuous growth of urban traffic flow and rising noise level in San Francisco, the noise of white crowned babbler breeding areas in the city is three times that in the countryside. Birds have to increase their courtship song to be heard by their partners. Although this can keep the male's voice from being drowned by the noise, the vibrato in their song can't be transmitted far away and can't better attract potential objects. The epidemic and the subsequent closure and isolation of the city have greatly reduced the noise of the city. In this unusually quiet spring, the white crowned babbler began to sing with a lower tone and volume. The call is soft, and the lower amplitude (volume) can sing a more beautiful song. It can not only better communicate and spread the sound further, but also save the male's physical strength and improve the possibility of mating. This study reveals the plasticity of bird behavior. They can quickly change their behavior according to the new conditions generated by human activities, so as to adapt to the changing environment and benefit from the new environmental conditions. The documentary "the year earth changed" is like visualizing a more panoramic ecological report. In the era of epidemic, when humans are less active, it is also a year when most animals have welfare. Noise and pollution are reduced, and animals can better mate and reproduce in spring. However, when the world is restarted, or everything is still the same, but at least let us think about how human beings and animals share limited earth resources and how human beings should treat nature. Just around us, we also noticed that due to the isolation of the epidemic, where no one stepped in spring, the weeds seemed to be particularly lush, and the wild flowers on the grassland were also very beautiful. That was the living space we human beings gave to the wild creatures. We even understood that the blooming of flowers was not appreciated by people. It is also because our perception and understanding of nature will deepen year by year. Perception determines the vision of our eyes. The better the perception, the richer and deeper the details we can see in nature. Our perception will change with the deepening of observation. The more things we absorb, the more details we know. This spring is different from the past spring. 4 are we really
Edit：Yuanqi Tang Responsible editor：Xiao Yu
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