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| Drift, J. van der. |
| 1. In the coastal area of Suriname the soil and surface fauna were studied in various types of agricultural land, and compared with the fauna in the adjacent forests. 2. In primeval forest the soil macroarthropods are less numerous than in secondary forest (Formicidae excluded). They range generally from 2,000 to 3,000 per m2 in the primeval forest and from 3,000 to 4,500 per m2 in the secondary forest. In cultivated land the numbers range in general from 1,500 to 2,500 per m2. In recently reclaimed land the numbers of soil macroarthropods are very small and amount to 15-30% of those in the adjacent forests. In the older agricultural soils they range from 50 up to 130% of the numbers of arthropods in forest soil. 3. The surface fauna is best developed in... |
| Tipo: Article / Letter to the editor |
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| Ano: 1963 |
URL: http://www.repository.naturalis.nl/record/506301 |
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| Drift, J. van der. |
| In most handbooks on forest entomology much stress is laid on the importance of predatory arthropods in the soil as enemies for pupating noxious insects (ESCHERICH, 1923; GRAHAM, 1939). However, detailed investigations in the field on the significance of these predators are scarce. In Germany much work has been done on the biology and feeding habits of Carabus species (KERN, 1921; LENGERKEN, 1921; OERTEL, 1924; DELKESKAMP, 1930; KIRCHENER, 1927; JUNG, 1940) but these observations and experiments were mainly done under laboratory conditions. FORBES (1880, 1882) investigated the gut contents of many carabid species and concluded that about 1/3—1/4 of the food was of animal origin. VITÉ (1953) studied the significance of spiders in forests. |
| Tipo: Article / Letter to the editor |
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| Ano: 1959 |
URL: http://www.repository.naturalis.nl/record/504034 |
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