Kanngiesser P & Call J (2010) Bonobos, chimpanzees, gorillas, and orang utans use feature and spatial cues in two spatial memory tasks, Animal Cognition, 13, 3, 419-430

Abstract:n

Animals commonly use feature and spatial strategies when remembering places of interest such as food sources or hiding places. We conducted three experiments with great apes to investigate strategy preferences and factors that may shape them. In the first experiment, we trained 17 apes to remember 12 different food locations on the floor of their sleeping room. The 12 food locations were associated with one feature cue, so that feature and spatial cues were confounded. In a single test session, we brought the cues into conflict and found that apes, irrespective of species, showed a preference for a feature strategy. In the second experiment, we used a similar procedure and trained 25 apes to remember one food location on a platform in front of them. On average, apes preferred to use a feature strategy but some individuals relied on a spatial strategy. In the final experiment, we investigated whether training might influence strategy preferences. We tested 21 apes in the platform set-up and found that apes used both, feature and spatial strategies irrespective of training. We conclude that apes can use feature and spatial strategies to remember the location of hidden food items, but that task demands (e.g. different numbers of search locations) can influence strategy preferences. We found no evidence, however, for the role of training in shaping these preferences

31/05/2010
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Kanngiesser P & Call J (2010) Bonobos, chimpanzees, gorillas, and orang utans use feature and spatial cues in two spatial memory tasks, Animal Cognition, 13, 3, 419-430

Abstract:

Animals commonly use feature and spatial strategies when remembering places of interest such as food sources or hiding places. We conducted three experiments with great apes to investigate strategy preferences and factors that may shape them. In the first experiment, we trained 17 apes to remember 12 different food locations on the floor of their sleeping room. The 12 food locations were associated with one feature cue, so that feature and spatial cues were confounded. In a single test session, we brought the cues into conflict and found that apes, irrespective of species, showed a preference for a feature strategy. In the second experiment, we used a similar procedure and trained 25 apes to remember one food location on a platform in front of them. On average, apes preferred to use a feature strategy but some individuals relied on a spatial strategy. In the final experiment, we investigated whether training might influence strategy preferences. We tested 21 apes in the platform set-up and found that apes used both, feature and spatial strategies irrespective of training. We conclude that apes can use feature and spatial strategies to remember the location of hidden food items, but that task demands (e.g. different numbers of search locations) can influence strategy preferences. We found no evidence, however, for the role of training in shaping these preferences

31/05/2010
Click here to read on...

Kanngiesser P & Call J (2010) Bonobos, chimpanzees, gorillas, and orang utans use feature and spatial cues in two spatial memory tasks, Animal Cognition, 13, 3, 419-430

Abstract:n

Animals commonly use feature and spatial strategies when remembering places of interest such as food sources or hiding places. We conducted three experiments with great apes to investigate strategy preferences and factors that may shape them. In the first experiment, we trained 17 apes to remember 12 different food locations on the floor of their sleeping room. The 12 food locations were associated with one feature cue, so that feature and spatial cues were confounded. In a single test session, we brought the cues into conflict and found that apes, irrespective of species, showed a preference for a feature strategy. In the second experiment, we used a similar procedure and trained 25 apes to remember one food location on a platform in front of them. On average, apes preferred to use a feature strategy but some individuals relied on a spatial strategy. In the final experiment, we investigated whether training might influence strategy preferences. We tested 21 apes in the platform set-up and found that apes used both, feature and spatial strategies irrespective of training. We conclude that apes can use feature and spatial strategies to remember the location of hidden food items, but that task demands (e.g. different numbers of search locations) can influence strategy preferences. We found no evidence, however, for the role of training in shaping these preferences

31/05/2010
Click here to read on...

Kanngiesser P & Call J (2010) Bonobos, chimpanzees, gorillas, and orang utans use feature and spatial cues in two spatial memory tasks, Animal Cognition, 13, 3, 419-430

Abstract:

Animals commonly use feature and spatial strategies when remembering places of interest such as food sources or hiding places. We conducted three experiments with great apes to investigate strategy preferences and factors that may shape them. In the first experiment, we trained 17 apes to remember 12 different food locations on the floor of their sleeping room. The 12 food locations were associated with one feature cue, so that feature and spatial cues were confounded. In a single test session, we brought the cues into conflict and found that apes, irrespective of species, showed a preference for a feature strategy. In the second experiment, we used a similar procedure and trained 25 apes to remember one food location on a platform in front of them. On average, apes preferred to use a feature strategy but some individuals relied on a spatial strategy. In the final experiment, we investigated whether training might influence strategy preferences. We tested 21 apes in the platform set-up and found that apes used both, feature and spatial strategies irrespective of training. We conclude that apes can use feature and spatial strategies to remember the location of hidden food items, but that task demands (e.g. different numbers of search locations) can influence strategy preferences. We found no evidence, however, for the role of training in shaping these preferences

31/05/2010
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Film Ratapan Sunyi di Semenanjung Kampar born from the crisis of acute peat forest destruction in Semenanjung Kampar caused by the opening of oil palm plantation and spend as Industrial Timber Plantations in Riau.

Semenanjung Kampar region includes the Siak and Pelalawan districts. peat swamp forests Semenanjung Kampar, covers 682 511 hectares spread in Siak and Pelalawan Regency.

Documentary film Ratapan Sunyi di Semenanjung Kampar a duration of 23 minutes 45 seconds, a portrait of society who are helpless in the midst of the hustle and bustle of the modern world into their lives. Film plots Nanang Sujana (Gekko Studio Bogor), this implicitly shows the macro issues in forest management in Indonesia, which requires a lot of improvement here and there.

http://www.sungaikuantan.com/2010/05/ratapan-sunyi-di-semenanjung-kampar.html

27/05/2010
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By Chris Lang, 27th May 2010

Yesterday, Norway's Minister of the Environment and International Development Erik Solheim and Indonesia's Foreign Minister RM Marty M. Natalegawa signed a US$1 billion deal aimed at reducing deforestation in Indonesia. There are few details about the deal available so far. The agreement itself has not yet been made public - when it is REDD-Monitor will post it here.

http://www.redd-monitor.org/2010/05/27/norway-and-indonesia-sign-us1-billion-forest-deal/

27/05/2010
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