pollen

allergy

Deep learning for pollen allergy surveillance from twitter in Australia

Australian researchers looked into the possibilities of using tweets to map hayfevercomplains using deep learning technology. “Deep learning for pollen allergy surveillance from twitter in Australia“ A few questions about this project to the authors of the article from the Institute for Sustainable Industries & Liveable Cities, Victoria University, Melbourne. 1. What was the goal […]

automatic pollencount

Different techniques to identify pollen.

As pollengrains are very, very small and are floating through the air, identifying them is a pretty difficult job. You’ll can use a microscope to identify the type of pollen. Pollengrains are not like fashionmodels who can stand still and wait for the phototgrapher to take shot. So often the pollengrains are collected by a […]

automatic pollencount

Process of Automatic Pollencounting

The process starts bottom left with trees, grasses or herbs producing pollen, which become airborn. Step 1. Collect & fix pollen Collecting these pollen from the air with some kind of vacuum cleaner. Of course the volume of air processed in a certain period of time is important since you want information about the concentration […]

autopollen

Pollencount by hour

This graph is an example of pollenconcentration during three different types of days. Day 1 shows airborn pollen between 9:00 and 17:00. Day 2 shows a pollenpeak during the early morning hours. Day 3 shows a peak in the evening. Weatherconditions, like a rainshower, a sunny or cloudy day, have big influence on the hourly […]

allergy

Poa annua, meadow grass

About Poa annua Poa annua, or annual meadow grass (known in America more commonly as annual bluegrass or simply poa), is a widespread low-growing turfgrass in temperate climates. Though P. annua is commonly considered a solely annual plant due to its name, perennial bio-types do exist. ‘Poa’ is Greek for fodder. It is one of […]

allergy

Mugwort, Artemisia vulgaris

About  Mugwort, Artemisia vulgaris Artemisia vulgaris (mugwort or common wormwood) is one of several species in the genus Artemisia commonly known as mugwort, although Artemisia vulgaris is the species most often called mugwort. This species is also occasionally known as riverside wormwood, felon herb, chrysanthemum weed, wild wormwood, old Uncle Henry, sailor’s tobacco, naughty man, […]

allergy

Ambrosia

About Ambrosia Ragweeds are flowering plants in the genus Ambrosia in the aster family, Asteraceae. They are distributed in the tropical and subtropical regions of the New World, especially North America, where the origin and center of diversity of the genus are in the southwestern United States and northwestern Mexico. Several species have been introduced […]

Ash

Tree calendar

This calendar shows when specific trees are flowering (in the Netherlands). The calendar is video-based. Every tree is explained by a short video. Corylus aveilana   Alnus incana   Alnus glutinosa   Salix viminalis   Taxus Bacatta   Populus x more   Carpinus Betulus   Betula pendula more information >> Fagus sylvatica   Quercus robur […]

ambrosia

Herb calendar

This calendar shows when specific types of herbs are flowering  (in the Netherlands), each herb is explained by a short video. Parietaria judaice and Ambrosia artemisiifolia are the most allergenic. Most allergenic herbs: Rumex acetosa   Plantago lanceolata   Parietaria judaica more information >> Urtica dioica   Artemisia vulgaris more information about Artemisia vulgaris >> […]

calendar

Grass calendar

This example calendar shows when specific  grasses are flowering (in the Netherlands). The calendar is video-based. Every grasstype is explained by a short video. Alopecurus pratensis Image: Alopecurus pratensis, Meadow foxtail. Five stages in ripening of the inflorescense and opening of the anthers to free pollen. more information >> Dactylis glomerata Poa pratensis Anthoxanthum odoratum […]