New Science Nature encounters roe deer in the middle of a summer day: In such a situation, the roe deer often have time to see only a transom glowing white. When an animal senses danger, its back expands slightly.
The stern, covered in a whitish white coat in sight, signals to the herd: now there is an emergency! Perhaps seeing an alarm signal discourages the predator as well, it realizes it has been seen.
It can be difficult to distinguish roe deer from white-tailed deer or spotted deer, or spruce deer, as they all have white spots at the stern and younger spots on the sides. The behavior is also similar: young calves are waiting for their mother hidden in the terrain, and the animals leave traces of odors in the pits they have dug. But unlike our other deer, the roe deer defend their territory furiously during the heat of the hour. They are also significantly smaller than our other common deer species, the white-tailed deer.
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Even a layman can learn to distinguish between roe deer on the basis of sex. Especially in winter fur, a plump tassel hangs on the back of the female, in males the coat is slanted far below the stomach. The tassel may sometimes be mistaken for a tail. However, roe deer have a modest bump under their hair.
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From the goat paths we head to the flower beds. The viability of the sweet little pansy was tested on April 26, 1986, 35 years ago. At that time, the most devastating nuclear accident in history in Chernobyl, Ukraine, occurred. The place is the center of the distribution of the pansy in the world. It is not known exactly how the pans were in the accident. Many plants and animals survived surprisingly well, despite receiving radioactive fallout. Later, survival was also affected by the 30-kilometer protection zone made around the destroyed facility, which is inaccessible to humans.
The pike-perch is a European species whose distribution extends from Germany to central Russia and from the Mediterranean to Lake Tohmajärvi in Finland. The plant is rare or endangered throughout the area. In Finland, it is very endangered and especially protected, as it grows in only six places.
Science On the sides of nature, the tails and dorsal oscillations swing as mighty whales rise from the stream. Journalist Hannu Lehtonen urges fishermen to think again before taking a large fish caught on a hook. After all, recreational fishermen are usually lucky in the hills after catching a large catch. Those who have caught Vonkale will become the record holder or, for example, the winner of a newspaper or magazine competition with the biggest fish of the year.
Today, there is an increasing reflection on the impact of the removal of large individuals on fish stocks. As information has accumulated, the release of large fish has, in fact, already become quite common across the country. Large fish individuals are almost invariably also fast-growing. In waters where fishing is not carried out or fishing pressure is low, mortality is greatest for small and juvenile fish, as they can be preyed on by predatory fish and other fish-eating animals of almost any size. In popular fishing waters, fishing even reverses the relationship: the fish stock consists mainly of small and slow-growing individuals. The tricks are missing.
Was there something green flashing over there? Science Nature set out on an excursion to the hidden hiccups of sand silicas. A lizard classified as an alien species may be the original Finnish species, but there is no certainty. At the time of the visit, the sides of the dogs shone emerald green, it was time for mating. After the first toast, it feels like the whole toasted heather crunch is crumbling. The sun has risen, and the lizards seek out their holes in the rocks to warm up.
“That’s how it usually goes: when you see one, there are surprisingly everywhere lizards,” says Peter Helenius, a lizard enthusiast who left to guide us.
Journalist Maarit Verronen tells about her adventure to the wonderfully shady Teuronjore with her rubber canoe:
“The motorboat, which is slowly slowing down, is passing by. I don’t remember ever going the other way around: I haven’t passed any other watercraft on my funny-looking ship, which friends benevolently slander as a beach toy. I still suspect should move hard.It is good to be in a boat, the journey on land is faster, says a Finnish proverb.It is an excellent state of affairs.And the sounds of nature must be able to be heard.
The Teuron River has enough flow to make it feel, but not so much that progress threatened to stop. And not so as to make sense to stop immediately at the Lammintie bridge. Obviously, it has to stop because the next sensible landing place is very far away, but I’m still making a small round trip upstream.
The journey from the bridge to the turning point takes upstream twice as long as the return journey. It later emerges that there is a drop of twenty-two meters on the thirty-five-kilometer journey. Of course, a significant part of the decline is in rapids.
I start pumping the drain by the bridge as a Swedish-speaking company with five Native American canoes passes downstream. Greetings as appropriate. The canoes disappear behind the river bend. It seems that even hardcover hikers have found the river. I pack the boat and go for a walk towards Mommila train station.
In the new issue, we will also get to know the wonderful limbs of water meters, the life of blood drinkers, thistle butterflies fluttering in orange and Kuika’s dance ring.
Sweet summer, Science Nature reader!
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