Download Tiger Moths and Woolly Bears: Behavior, Ecology, and by William E. Conner PDF

By William E. Conner

Бабочки семейства Arctiidae, с их яркой окраской, сложными церемониями ухаживания и причудливыми защитными приспособлениями, являются одними из удивительнейших представителей мира природы. Несъедобные за счет вторичных химических соединений, получаемых из кормовых растений, бабочки демонстрируют эту защиту своей окраской, при этом часто мимикрируют с осами, пчелами, клопами и даже тараканами. У них есть уши, с помощью которых они слышат эхолокацию летучих мышей, и могут отвечать сигналами, подавляющими локаторы рукокрылых. Эта книга показывает, как гусеницы и имаго медведиц сосуществуют с хищниками, паразитами и конкурентами. Коллектив авторов, каждый из которых является признанным экспертом в своей области, свели вместе результаты исследований по филогении и поведению, естественной истории, химическим коммуникациям, выбору партнера и половому отбору, химической экологии, взаимодействиям паразит-хозяин и хищник-жертва, ориентации в пространстве, мимикрии, адаптивной окраске, биоразнообразию и многому другому.
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Additional resources for Tiger Moths and Woolly Bears: Behavior, Ecology, and Evolution of the Arctiidae

Example text

N. Such a study has two weaknesses. First, among insects, higher taxa are generally poor surrogates for species patterns and responses to change. Second, when doing assessments for whatever reason, the use of specimens formally identified to species level makes results repeatable. This is not possible with morphospecies (but see Chapter 2 for some solutions). Using higher taxa also has reduced value for conservation, especially of endemic species. Again, this is because without species names, it is not possible to compare samples from one study to another and so see how the status of species is changing relative to environmental change.

Similarly, using simple codes in notebooks can also carry risks (notebooks can get lost), and so, whether labels or notes, it is far better right from the start to use full information that is meaningful to any other researcher. This is one of the advantages of digital data loggers, where at least spatial information (such as geographical coordinates) is automatically recorded. In remote areas, where local place names are few and far between, and can change as the political climate changes, it is essential to record exact spatial coordinates.

2 Selection of insect groups for study Inventories that are aimed at sampling all taxa in a particular area (all-taxon biological inventories, ATBIs), although noble in intent, are usually impractical. A more practical approach is to survey particular taxa (focal groups). Simply selecting groups because they reflect the individual interests of participating scientists requires caution, because ‘favourite’ taxa may not provide the best possible information for the particular ecological or conservation research question you are asking.

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